000 00364 am a2200121 a 4500
100 1 _aDalrymple, D.G.
245 1 _aSurvey of multiple cropping in less developed nations
260 _aWashington
_c1970
300 _a1-108 p.
942 _2udc
_cB
440 _aU.S. Department of Agriculture, Foreign Economic Development Service. Federal No. 12
901 _aS51158
999 _c108653
_d108653