000 00357nam a2200169Ia 4500
008 190201s9999 xx 000 0 und d
020 _a9.79E+12
082 _a577
082 _bRAN
100 _a"Rana,S.S."
245 0 _aEssentials of Ecology an
250 _aSecond
260 _aNew Delhi
260 _bPHI
260 _c2005
300 _a"xv,488"
999 _c48248
_d48248