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003 MX-TxCIM
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040 _aMX-TxCIM
041 0 _aEn
043 _aUS
072 0 _aE30
072 0 _aF00
082 0 4 _a81-651772
100 1 _aBarker, R.
_uInternational Food Security Conference, Ec EC Batari, Mexico
245 0 0 _aLong-term consequences of technological change on food security:
_b the case for cereal grain [Supply and demand, agronomic practices]
260 _c1979
340 _aPrinted
500 _aill. 20 ref
546 _aEnglish
591 _aNAL, USDA, Beltsville, Md. 20705 - USA|COMOD
595 _aAC
650 1 0 _aCereals general
650 1 0 _aDevelopment policies
650 1 0 _aPlant production
_91212
700 1 _aGabler, E.C.,
_ecoaut.
700 1 _aWinkelmann, D.L.,
_ecoaut.
942 _cBK
999 _c38026
_d38026