Proceedings
/ of ninth symposium of the International siciety for tropical roots crops held at Accra, Ghana 20-26 october 1991, organised by International society for tropical roots crops in collab. with the Government of Ghana
. - Wageningen : International society for tropical roots crops, 1994
. - XX-531 p. ; 25 cm.
9781310944
630.
9781310944
630.