Singh, Amar . Practical plant physiology / Amar Singh. - 2nd ed / . - New Delhi : Kalyani Publishers , 1982. - xx,25p. : ill.figs.pics ; 23cm . Includes bibliogrphical references and index ISBN: Rs 20.00 (Pb) Subjects--Index Terms: PLANT PHYSIOLOGY Dewey Class. No.: 571.2 / SIN/P