000 00330nam a2200121Ia 4500
008 220303s2008 xx 000 0 und d
041 _aeng
082 _a574.5 SIN / ECO
100 _aSingh, H.R.
_9116522
245 _aEcology & Environmental Science
250 _a7th edition
260 _aJalandhar
_bVishal Publishing Co
_c2008
999 _c124819
_d124819