Reference (Publications/References)


Definition

The <Reference> field describes key bibliographic citations pertaining to the data set.


Bibliographic citations may be populated as a block of text in the free-text field or as text in subfields (see below). Citations in the free-text field may be provided in styles used by professional scientific journals such as the American Geophysical Union (AGU), American Psychological Association (APA), or Modern Language Association (MLA).


Subfields:
  • <Author> The name of the individual(s) or organization(s) with primary intellectual responsibility for the cited resource's development.
  • <Publication Date> The publication/reference date for the cited resource.  If the Publication Date is not known, please use "Unknown".
  • <Title> The title (name) of the cited resource.
  • <Series> The name of a resource series, or aggregate (collection) resource of which the cited resource is a part.
  • <Edition>  The version of a cited resource.
  • <Volume> The order or sequence of a resource in a series or set.
  • <Issue> The issue number of a resource (usually within a volume).
  • <Report_Number> The unique number or code assigned to a resource by the issuing organization(s).
  • <Publication_Place> The name of the city (and state or province and country if needed) where the resource was made available.
  • <Publisher> The name of the individual(s) or organization(s) that made the resource available.
  • <Pages> The range of pages or total number of pages of a cited resource.
  • <ISBN> International Standard Book Number.
  • <DOI> Digital Object Identifier.
  • <Online_Resource> The URL of the online resource containing the cited resource.
  • <Other_Reference_Details> Additional free-text reference information.
 
Syntax

<Reference>text</Reference>


OR


<Reference>
<Author>Text up to 500 characters</Author>
<Publication Date>Text up to 31 characters, yyyy-mm-dd format suggested</Publication Date>
<Title>Text up to 220 characters</Title>
<Series>Text up to 220 characters</Series>
<Edition>Text up to 31 characters</Edition>
<Volume>Text up to 80 characters</Volume>
<Issue>Text up to 80 characters</Issue>
<Report_Number>Text up to 80 characters</Report_Number>
<Publication_Place>Text up to 80 characters</Publication_Place>
<Publisher>Text up to 500 characters</Publisher>
<Pages>Text up to 31 characters</Pages>
<ISBN>Text up to 220 characters</ISBN>
<DOI>Digital Object Identifier (DOI) up to 220 characters</DOI>
<Online_Resource>Uniform Resource Locator (URL) up to 600 characters</Online_Resource>
<Other_Reference_Details>Text up to 220 characters</Other_Reference_Details>
</Reference>

 
Usage

Reference with subfields:

  • The <Reference> field is recommended and can be repeated.
  • The <Author> field is required if the <Reference> field is populated and is not repeatable.
  • The <Publication Date> field is required if the <Reference> field is populated and is not repeatable.
  • The <Title> field is required if the <Reference> field is populated and is not repeatable.
  • The <Series> field is optional and is not repeatable.
  • The <Edition> field is optional and is not repeatable.
  • The <Volume> field is optional and is not repeatable.
  • The <Issue> field is optional and is not repeatable.
  • The <Report_Number> field is optional and is not repeatable.
  • The <Publication_Place> field is optional and is not repeatable.
  • The <Publisher> field is optional and is not repeatable.
  • The <Pages> field is optional and is not repeatable.
  • The <ISBN> field is optional and is not repeatable.
  • The <DOI> field is optional and is not repeatable.
  • The <Online_Resource> field is optional and is not repeatable.
  • The <Other_Reference_Details> field is optional and is not repeatable.

Reference without subfields:

  • The <Reference> field is recommended and may be repeated.
  • Multiple lines of text are allowed. Characters may be selected from the UTF-8 character set.
 
Examples

Reference with subfields:

<Reference>
<Author>Tillis, G. M.</Author>
<Publication_Date>2001</Publication_Date>
<Title>Measuring Taylor Slough boundary and internal flows,
Everglades National Park, Florida</Title>
<Series>USGS Open-File Report</Series>
<Report_Number>01-225</Report_Number>
<Publication_Place>Tallahassee, FL</Publication_Place>
<Publisher>U.S. Geological Survey</Publisher>
<Online_Resource>http://fl.water.usgs.gov/Abstracts/ofr01_225_tillis.html
</Online_Resource>
</Reference>


<Reference>
<Author>J. B. Blair, D. L. Rabine, and M. A. Hofton</Author>
<Publication_Date>1999</Publication_Date>
<Title>The Laser Vegetation Imaging Sensor (LVIS): A medium- altitude, digitization-only, airborne laser altimeter for mapping vegetation and topography.</Title>
<Series>Journal of Photogrammetry and Remote Sensing</Series>
<Issue>54, 115-122</Issue>
<Other_Reference_Details>Instrument Citation</ Other_Reference_Details>
</Reference>


Reference without subfields:

<Reference>
Crum, T.D., and R.L. Alberty, 1993: The WSR-88D and the WSR-88D Operational Support Facility. Bull. Amer. Meteor. Soc., 74, 
1669-1685.
</Reference>


<Reference>
Crum, T.D., R.L. Alberty, and D.W. Burgess, 1993: Recording, 
Archiving, and Using WSR-88D Data. Bull. Amer. Meteor. Soc., 
74, 645-653.
</Reference>


<Reference>
Klazura, G.E., and D.A. Imy, 1993: A Description of the Initial 
Set of Analysis Products Available from the NEXRAD WSR-88D System.
Bull. Amer. Meteor. Soc., 74, 1293-1311.
</Reference>


<Reference>
Cooper, A.K., 1995, Strides made in understanding Antarctic 
stratigraphy and Cenozoic glacial history, Eos Transactions AGU, 
March 7, 1995, p.97.
URL; http://earth.agu.org
</Reference>

 

 

This document should be cited as:
Directory Interchange Format (DIF) Writer's Guide, 2014.
Global Change Master Directory.
National Aeronautics and Space Administration.
[http://gcmd.nasa.gov/add/difguide/].

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