Degras, Lucien.
The yam : a tropical root crop / edited by Rene Coste. - London : Macmillan, 1993. - xv, 408 p. : ill.
0333574567
Yams.
Tropical crops.
Root-crops--Tropics.
The yam : a tropical root crop / edited by Rene Coste. - London : Macmillan, 1993. - xv, 408 p. : ill.
0333574567
Yams.
Tropical crops.
Root-crops--Tropics.