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040 _aMX-TxCIM
041 0 _aEn
043 _aUS
072 0 _aP12
082 0 4 _a78-295182
100 1 _aSanghi, A.K.
245 0 0 _aEconomic impact of diminishing groundwater reserves on corn production under center-pivot irrigation
260 _c1977
340 _aPrinted
546 _aEnglish
591 _aNAL (56.8 J822)|COMOD
595 _aAC
650 1 0 _aDrainage and irrigation
650 1 7 _aMaize
_gAGROVOC
_2
_91173
650 1 0 _91314
_aZea mays
_gAGROVOC
700 1 _aKlepper, R.,
_ecoaut.
773 0 _tJournal of Soil and Water Conservation
_n78-295182
_gv. 32, no. 6, p. 282-285
942 _cJA
999 _c13556
_d13556