Kay, D. E. Root crops by D. E. Kay - London Tropical Products Institute 1973 - [5], 245, xxxv p 21 cm - TPI crop and product digest no. 2 . - Tropical Products Institute Great Britain TPI crop and product digest no. 2 . Subjects--Topical Terms: Root-crops Dewey Class. No.: 633 / .4 / 0913