000			00366nam a2200133Ia 4500
008			180613s9999||||xx |||||||||||||| ||und||
041			_aen
082			_a338.17318
100			_aINTERNATIONAL RICE RESEARCH INSTITUTE
245		0	_aFarm-Level Constraints to high rice Yields in Asia: 1974-77
260			_aPhilippines _bIRRI _c1979
300			_ax,411p.
942			_cSR
999			_c74192 _d74192