000			00416nam a2200157Ia 4500
008			180613s9999||||xx |||||||||||||| ||und||
020			_a81 203 2773 X
041			_aen
082			_a577
100			_aRANA, S V S.
245		0	_aEssentials of Ecology and Environmental Science.
250			_a2nd edi.
260			_aNew Delhi. _bPrentice-Hall of India pvt lt _cd. 2005
300			_axv, 488p.
942			_cSR
999			_c74078 _d74078