00990nam0-2200289---450-99000917243040332120100414105855.0000917243FED01000917243(Aleph)000917243FED0100091724320100414d1972----km-y0itay50------baenga-------101yyAir sampling instruments for evaluation of atmospheric contaminantsAmerican Conference of Governmental Industrial Hygienists4th ed.CincinnattiAmerican Conference of Governmental Industrial Hygienists1972p. varieill.29 cmInquinamentoAmerican Conference of Governmental Industrial Hygienists285586ITUNINARICAUNIMARCBK990009172430403321IG 15 F 351131DMIGIDMIGIAir sampling instruments for evaluation of atmospheric contaminants780626UNINA