000			00627nam a2200253 4500
245			_aConcepts of modern ecology _c by S.C .Tiwari
100			_aTiwari, S. C.
260			_aDehra Dun _bBishen Singh Mahendra Pal Singh _c1992
300			_a[6],729p.; 22cm.
020			_a8121100887
082			_a574.5 _bTIW
650			_aEcology
650			_aEnvironment
650			_aPollution
650			_aEcosystem
650			_aBiogeography
650			_aRemote Sensing
650			_a<Ecology
650			_aEnvironment
650			_aPollution
650			_aEcosystem
650			_aBiogeography
650			_aRemote Sensing
999			_c50106 _d50106