Search Results       Your search for [author]Hartwig, Sylvius, returned 1 record.           Heavy gas and risk assessment : proceedings of a Symposium on Heavy Gas, September 3-4, 1979, Frankfurt/Main. by Hartwig, Sylvius,; Dordrecht ;: Reidel, 1980. Subject: Gases -- Environmental aspects; Hazardous substances -- Environmental aspects; Air -- Pollution; Health risk assessment -- Congresses.          Add to Book Cart Relevance: 23.41%