00282nam a2200097Ia 450000500170000000800410001708200160005810000370007424500490011126000240016020260205052518.0260111s9999||||xx |||||||||||||| ||und||  a614.7 K841H  aKoren, Herman and Bisesi,Michael 0aHandbook of enviornmental health and safety.  aMumbaibJaicoc1999