Ivens, Giles William.
East African weeds and their control / [by] G.W. Ivens. - Revised ed. - Nairobi : Oxford University Press, 1971. - xiv, 250 p. ill. 22cm
Weeds--Africa, East
Weeds--Control--Africa, East.
632 / .58 / 0967
East African weeds and their control / [by] G.W. Ivens. - Revised ed. - Nairobi : Oxford University Press, 1971. - xiv, 250 p. ill. 22cm
Weeds--Africa, East
Weeds--Control--Africa, East.
632 / .58 / 0967