na INLIS000000000003326 Ind 0010-1118003326 Waste treatment in agriculture HOBSON, P.N. [by] P.N. Hobson and A.M. Robertson London Applied Science Publishers 1977 x. 257 p.: ill.; Plans; 23 cm. x. 257 p.: ill.; Plans; 23 cm. ISBN 0-85334-736-0 63.004.8 AGRICULTURAL WASTES 63.004.8/HOB/w