00658nam a22001577a 4500008004100000040005500041080002200096245009700118260006800215300001000283650001300293653001700306942001200323999001700335952014800352230606b        |||||||| |||| 00| 0 eng d  aNational Science LibrarycNational Science Library  aR 016:631/635bL9  aInternational bibliography on cropping systems 1977c/ International Rice Research Institute  aPhilippines: bInternational Rice Research Institute,    c1979  a239p.  aLanguage  aBibliography  2udccPR  c40085d40085  00102udc406R_016631635_L970960123aNSLbNSLcGF/Rk-22/C-9/R-2d1979-12-14l0oR 016:631/635 L9p89768r2023-06-06 00:00:00w1979-12-14yPR