000 00360 am a2200121 a 4500
100 1 _aCollison, R.C.
245 1 _aSome effects of legumes in relation to economical crop production
260 _aGeneva
_c1931
300 _a1-14 p.
942 _2udc
_cB
440 _aCrop, Economic New York Agricultureal Experiment Station. Bulletin No. 596
901 _aS53249
999 _c111174
_d111174