00302nam a22001097a 450000500170000000800410001705000200005810000160007824500370009426000350013130000260016620260611135614.0260611b        |||||||| |||| 00| 0 eng d  aQK711.2.P5 1973  aClegg C. J.  aPlant physiologycby C. J, Clegg  aLondonbJohn Murray Ltd.c1973  avii, 116P.bIll., Hbk