Sharma, R. K. Animal energy in agriculture : a case study of Uttar Pradesh / R. K. Sharma - Delhi : Agricultural Economics Research Centre (AERC) , 1987 - 94p. : ill. ; 30 cm. - AERC Research Study No. 87/1 . Includes bibliographical references. Subjects--Topical Terms: Energy--IndiaAnimal resources Gov. Doc. Class. No.: IND Del. U AERC RS-87/1