Neumann, Hans-Joachim, 1930- Composition and properties of petroleum / Hans-Joachim Neumann, Barbara Paczynska-Lahme, Dieter Severin. - New York : Halsted Press, 1981. - 137 p.: ill. ; 23 cm. - Geology of Petroleum ; vol. 5. . Bibliography : p.(127)-131. ISBN: 0470271396 Subjects--Topical Terms: Petroleum--Analysis.Gas, Natural--Analysis.