000 00498nam a2200193Ia 4500
008 230524s9999 xx 000 0 und d
040 _cUDSM
050 _aHC60.S4 Vol.3
245 0 _aScience, Technology, and development: agriculture
260 _aWashington, D. C.
260 _bU. S. Government Printing Office
260 _c1962
300 _ax,262p.
300 _c23cm.
650 _aAgriculture
700 _aill.
942 _2Library of Congress Classification
942 _cBook
999 _c114642
_d114642