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1. The agricultural systems of the world :   Publication: New York : Cambridge University Press, 1974 . ix, 358 p. : , Includes index. Date:1974 Availability: Copies available: Turkeyen Campus [S439 G788] (1), Turkeyen Campus Science & Technology [S439 G788] (1), Actions: Add to cart
2. The mathematical theory of infectious diseases and its applications /   Publication: London : Griffin, 1975 . xvi, 413 p. : , First ed. published under title : The mathematical theory of epidemics. Date:1975 Availability: No items available: Actions: Add to cart No cover image available No cover image available