Publications of the International Agricultural Research and Development Centers : 1986 supplement International Rice Research Institute Deutsche Gesellschaft f©ơr Technische Zusammenarbeit Consultative Group on International Agricultural Research Agriculture Agriculture 016 INT 1986 C155 Or. "1986 exhibition at the Frankfurt Book Fair sponsored by: Deutsche Gesellschaft f©ơr Technische Zusammenarbeit (GTZ) Gmb H (German Agency for Technical Cooperation) (GTZ), Consultative Group on International Agricultural Research (CGIAR), International Rice Research Institute (IRRI)." Manila, Philippines : International Rice Research Institute, 1986 1986 Text vii, 167 p. ;