000 00394 a2200145 4500
020 _a8170248841
082 _a577.2703
_bCHI
090 _c16613
_d25143
100 _aChitkara, M.G.
245 _aEncyclopaedia of ecology,environment and pollution
_bpopulation, poverty and environment
260 _aNew Delhi
_bAPH
_c1997
_g1997
300 _axxv,309p.
_c25cm
650 _aEcology
942 _cPR
999 _c44597
_d44597