Kumar, H. D. Global and general environment H. D. Kumar and Swathi Kumar - Delhi Anmol Publications 1997 - 490p. figs; refs ISBN: 81-7488-478-5 Subjects--Topical Terms: Climate ChangeEnergy ConservationGlobal WarmingEnvironmental ProtectionEnvironmental Degradation Universal Decimal Class. No.: 574+55 / KUM