000			00339nam a22001337a 4500
008			211118b |||||||| |||| 00| 0 eng d
020			_a9788173814044
100			_aSantra, S C
245			_aEnvironmental science
250			_a2nd
260			_aLondon _bNew Central Book Agency (P) Ltd. _c2005
300			_axxix, 1244p.
942			_cBook
999			_c104900 _d104900