Lal, Chhotey . Reference soources in indian agriculture and biology / by Chhotey Lal, A.Shoaib Ahsan and Manohar Lal. - New Delhi : Ess Ess Publications , 1978. - viii,213p : Diagrams ; 22cm . Includes index ISBN: Rs.75.00 (Hb) Subjects--Index Terms: AGRICULTURE Dewey Class. No.: 630.954 / LAL/R