000			00373nam a2200145Ia 4500
008			170101s2005 xx 000 0 und d
020			_a8121101395
082			_a574.5 TIW
100			_aTiwari, S.C
245		0	_aConcepts of modern ecology
250			_a2nd Revised & E
260			_aDehra dun _bBishan Singh Mahendra Singh _c2005
300			_a663p.
942			_2ddc _cBK
999			_c316181 _d316181