Ottawa, Canada : International Development Research Centre ; Patancheru, India : International Crops Research Institute for the Semi-Arid Tropics, 1991
Physical Details
viii, 99 pages : illustrations ; 24 cm
ISBNs
9789290662051, 9290662050
OCLC
ocm24252691
Abstract in English and French.
Includes bibliographical references (pages 67-81).