000 00298nam a2200121 a 4500
082 _a574.5
_bVER
100 _aVerma, P.S,
245 _aPrinciples of Ecology: Environmental Biology
260 _aNew Delhi:
_bS.Chand & Com,
300 _aviii, 591 pages.
500 _aIncluded Index
942 _cREF
999 _c12616
_d12616