Изготовление электронных копий любых изданий

Alley farming in the humid and subhumid tropics Proc. of an intern. workshop held at Ibadan, Nigeria, 10-14 March 1986 Jointly organized by the Intern. inst. of tropical agriculture, Ibadan, Nigeria, a. the Intern. Livestock centre for Africa, Addis Ababa, Ethiopia ; Ed.: B. T. Kang a. L. Reynolds