Coursey,D G

Yams : an account of the nature , origins, cultivation and utilization of the useful members of the Dioscoreacese / D.G. Coursey. - - London : Longmans, 1967 - xiv, 230 p. : ill., diagrs.,map - - Tropical agriculture series .

Includes bibliographical references


Yams.

SB211 / Y3 C68