TY - JOUR T1 - Studies on Enzyme Action. XVII.-Enzymes of the Emulsin Type. (II) The Distribution of $\beta $-Enzymes in Plants JF - Proceedings of the Royal Society of London. Series B, Containing Papers of a Biological Character (1905-1934) VL - 85 IS - 580 SP - 363 EP - 369 PY - 1912/08/20/ UR - http://dx.doi.org/10.1098/rspb.1912.0059 M3 - doi:10.1098/rspb.1912.0059 AU - Armstrong, H. AU - Armstrong, E. AU - Horton, E. ER -