000 00325 a2200133 4500
100 _aMansfield, W.S.
245 1 _aCambridge university farm
260 _aCambridge
_c1954
300 _a1-27 p.
440 _aCambridge University School of Agriculture. Memoir No. 26
650 _aFarm
942 _2udc
_cB
901 _a44904
999 _c54007
_d54007