00350nam a2200133Ia 4500008004100000041000800041082001400049100001500063245004400078250000800122260005600130300000800186650002200194230711s9999||||xx |||||||||||||| ||und||  aENG  a624bMA-P  aMahajan,SP 0aPollution control in process industries  a1st  c1985aNew DelhibTata McGraw Hill Education Limited  a273  aCivil Engineering