585 VAS - G VASISHTHA, P . C . GYMNOSPERMS / / P . C . VASISHTHA : REVISED BY A . K . SINHA AND A . KUMAR. - REV ED. - NEW DELHI: : SULTAN CHAND & CO.,, 2006 ( 2014 RPT ). 580 P. : PAPER BACK 35173 - 35176 - RPT. 2018/ xii, 580 P./ ISBN 9788121926188/ 499/- 8121926181 : 495/- * GYMNOSPERMS. * KUMAR, ANIL, AuthSINHA, A . K, Auth * Title