000 00409nam a2200121Ia 4500
008 180413s9999 xx 000 0 und d
020 _a0896291162 (Pbk)
245 2 _aA Meta Analysis Of Rates Of Return To Agricultural R And D Ex Pede Herculem?
260 _bWashington D.C. : Ifpri 2000.
300 _a148
546 _aEng
690 _aAgriculture ; Research ; Economic Aspects ; Evaluation ; Rate Of Return.
999 _c12113
_d12113