000 00331nam a2200121Ia 4500
008 211209s2005 xx 000 0 und d
020 _a8122415849
041 _aeng
100 _aSARAVANAN K
245 _aPRINCIPLES OF ENVIRONMENTAL SCIENCE AND TECHNOLOGY
260 _aNEW DELHI
_bNEW AGE INTERNATIONAL LTD.
_c2005
300 _a192
999 _c58811
_d58811