Coolbear, T. Eames, C.W. Casey, Y. Daniel, R.M. Morgan, H.W. 1991 Screening of strains identified as extremely thermophilic bacilli for extracellular proteolytic activity and general properties of the proteinases from two of the strains. Journal of applied bacteriology 71(3): 252-264
Hudson, J.A. Daniel, R.M. Morgan, H.W. 1988 Isolation of a strain of Bacillus schlegelii from geothermally heated Antarctic soil. FEMS microbiology letters 51(1): 57-60
Hudson, J.A. Daniel, R.M. Morgan, H.W. 1989 Acidophilic and thermophilic Bacillus strains from geothermally heated Antarctic soil. FEMS microbiology letters 60: 279-282
T Coolbear, J M Whittaker, R M Daniel and H W Morgan. 1992.The effect of metal ions on the activity and thermostability of the extracellular proteinase from a thermophilic Bacillus strain EA.1. Biochemical Journal 286: 367-374.
Saul, D.J., Williams, L.C., Toogood, H.S., Daniel, R.M. and Berquist, P.L. 1996. Sequence of the gene encoding a highly thermostable neutral proteinase from Bacillussp. Strain EA1: expression in E.coli; and characterisation. Biochem. Biophys. acta 1308: 74-80.