00467nam a22001577a 450000500170000001000140001702000250003103500130005603700130006908200120008210000220009424500670011626000420018327000620022530000220028720100728122211.0  aENG-97151  a9788190771863c90.00  aEN-80684  bDBAD/PUB  a628.168  aJacintha, A. Mary  aIntroduction to air and water pollution /cby A. Mary Jacintha  aDharmapuribGowran Publicationsc2008  aKamadhenu College of Arts and SciencebDharmapurie636705  a101p.c20cm (pbk)