00478cam a2200145Ia 4500020001500000040000800015082002600023245008800049260006200137300003400199650000900233650000900242710004200251710003900293  a9711040743  cUIU  a611 THE 1983 C155 Or.10aProceedings of the Conference on Weed Control in Rice, 31 August-4 September 1981 /  aLos Ba©łos, Laguna, Philippines :bThe Institute,c1983  a422 p. :bill., maps ;c23 cm 0aRice 0aRice2 aInternational Rice Research Institute2 aInternational Weed Science Society