000 00293nam a2200121Ia 4500
100 _aCallenbach, Ernest
020 _a81-7371-178-X
942 _cBK
245 _aEcology
_ba pocket guide
260 _aUniversities Press (India) Limited, Hyderabad
_c1999
082 _a301.3 Cal
300 _a154
999 _c42022
_d42022