00450nam a22001577a 450000500170000001000140001702000100003103500130004103700130005408200110006710000210007824500440009926000300014327000860017330000330025920100810162822.0  aENG-99348  c50.00  aEN-82880  bDBAD/PUB  a628.44  aMuralidharan, G.  aPollution ecology /cby G. Muralidharan  aChennaibThe Parkarc2007  a293, Ahamed Complex, 2nd Floor, Royapettah High Road, RoyapettahbChennaie600014  a64p.c21cm (pbk)eb&w photos