1. Tropical root crops:   Publication: Ottawa: IDRC, 1987 . ix, 197 p., 2p. of plates: ill. Date:1987 Availability: No items available: Withdrawn (1), Actions: Add to cart
2. Tropical root crops :   Publication: Ottawa, Ont., Canada : International Development Research Centre, 1987 . iv, 197 p. ; 25 cm. Date:1987 Availability: No items available: Actions: Add to cart
3. Tropical root crops : by International Society for Tropical Root Crops. Symposium (2nd Publication: [Ottawa : IDRC, 1984 . 231 p., 5 p. of plates : Date:1984 Availability: No items available: Actions: Add to cart
4. Tropical root crops : by International Society for Tropical Root Crops. Symposium (1st : Publication: Ottawa : IDRC, 1981 . 279 p. : Date:1981 Availability: No items available: Withdrawn (1), Actions: Add to cart