000 00312nam a22001214a 4500
084 _2Colon Classification
100 _a Russell, Edward J
245 1 _aBritish Agricultural Research:Rothamsted
250 _a1942.
260 _aLondon:
_bLogmans,Green and CO.,
_c1942.
300 _a31p.:
_e06397.
942 _cBK
999 _c523247
_d523247