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040 _e66672
_aMAIN
041 _aEnglish
082 _a574.5 A15F
100 _aAggarwal, S K
245 0 _aFundamentals of ecology
260 _aNew Delhi
_bAshish Publishing House
_c1992
300 _axvi, 442 p.
942 _cBK
999 _c66385
_d66385