000 00374 a2200145 4500
020 _a09789380199023
041 _aeng
082 0 _a577 DUB
100 1 _aDubey, S.K.
245 1 2 _aA Textbook of Ecology
_cS.K. Dubey
260 _c2010.
_bWisdom Press,
_aNew Delhi :
300 _avi, 316 p. :
_billus. ;
_c23 cm.
650 4 _aPopulation.
650 4 _aWater--Pollution.
999 _c377837
_d377773