BILGRAMI, KS SHREEMALI,SL SRIVASTAVA,LM Fundamentals Of Botany - 2nd Ed. Revised Edition - Vikas Publishing House Pvt. Ltd. 576 , Masjid Road,Jangpura 1993 - 706p ISBN: 0-7069-7416-6 Dewey Class. No.: 580 / BIL/F