000 00366nam a22001097a 4500
008 130429b xxu||||| |||| 00| 0 eng d
050 _aTD170
_b.S27 2005
245 _aPRINCIPLES OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY
_cSARAVANAN,K.
260 _aNEW DELHI
_bNEW AGE INTERNATIONAL
_c2005
300 _a192p.;
_c24cm.
942 _2lcc
_cBK
_hTD170.S27 2005
999 _c89519
_d89519