GANGULY, A.K. KUMAR, N.C.
GENERAL BOTANY, Volume II - Part 1: AN INTRODUCTION TO PLANT ECOLOGY, PHYTOGEOGRAPHY, ECONOMIC BOTANY AND PALEONTOLOGY - Delhi Emkay Publications, Delhi 1991
580 / GAN/G
GENERAL BOTANY, Volume II - Part 1: AN INTRODUCTION TO PLANT ECOLOGY, PHYTOGEOGRAPHY, ECONOMIC BOTANY AND PALEONTOLOGY - Delhi Emkay Publications, Delhi 1991
580 / GAN/G