000 00619nam a22001930a 4500
001 PT33860
003 AR-LpoUNG
005 20210131230135.0
008 191001suuuu||||bl |||||||||||||||||eng d
040 _aAR-LpoUNG
_bspa
_cAR-LpoUNG
_eaacr
041 _aeng
082 0 _a338.1 545var
100 1 _aAnderson, Jock R.
_eed.
245 1 0 _aVariability in grain yields :
_bimplications for agricultural research and policy in developing countries
260 _as.l.
_bJohns Hopkins University - International Food Policy Research Institute,
_cs.f.
700 1 _aHazell, Peter B. R.
_eed.
905 _a33860
942 _cLIB
999 _c1684
_d1684