000 00410nam a2200157Ia 4500
008 251027s9999 xx 000 0 und d
020 _a9781259006388
082 _a333.7
_bCHA
100 _aShashi Chawala
245 2 _aA Textbook of environmental studies
250 _acopyright
260 _aNew Delhi
_bMcGraw Hill Education
_c2015
300 _axii-I.8
_b23cm
700 _aShashi Chawla
942 _cBK
999 _c128504
_d128504