Heavy gas and risk assessment III /Proceedings of a third symposium on heavy gas and risk assessment Bonn Wissenschaftszentrum November 12-13 1984 - Dordrecht: D. Reidel Publishing Company, 1984 - vii, 368p. Subjects--Topical Terms: Gas Subjects--Index Terms: Risk Universal Decimal Class. No.: 628.512 (082.2) / M6