00462     2200181   4500001002100000005001500021008004100036035001900077041000700096082001100103090001700114100000900131245006400140250001100204260002600215300003000241650000900271INLIS00000000000005220210430103159210430|||||||||   |   |||   |||| ||   |   0010-0421000052  aid0 a633.18  a633.18 IRR f0 aIRRI00aFarm level constraints to high rice yields in Asia: 1974-77  aCet. 1  aLos BanosbIRRIc1797  ax, 411 hlm.: ill.; 23 cm. 0aPADI