000			00341nam a2200157Ia 4500
008			170207s9999 xx 000 0 und d
082			_a574.5 DEV-E
100			_aDev Rao
245			_aEcology
260			_bR Chand & Co., New Delhi
260			_c1979
300			_a139
365			_b10
650			_aEcology; Biology
942			_cBOOKS
999			_c20724 _d20724