000 00306nam a2200109Ia 4500
100 _aSharma PD
250 _a11th edn
020 _a978-81-7133-965-5
245 _aEcology and Environment .-11th edn .-978-81-7133-965-5
260 _bRastogi Publication, Meerut, Meerut
_c2013
082 _aG:5(I) P13/B27345
999 _c11629
_d11629