000 00321nam a2200133Ia 4500
008 240913s9999||||xx |||||||||||||| ||und||
082 _a333.703 SHA/A
100 _aJ LSharma
245 3 _aAn introduction to environment
250 _aNULL
260 _bCBS Publishers
_aNew Delhi
_c1994
300 _a370 p
942 _cBKS
999 _c6356
_d6356