00343nam a2200121Ia 4500008004100000020001900041100001600060245004200076250001500118260004200133300001900175650002700194240817s9999    xx            000 0 und d  a 81-88429-82-1  aAnandan, P. 0aEnvironmental science and engineering  a628 An14,e  c2005a Chennaib Scitech Publications  a5.34,I.8.p. p.  a Environmental science