Van Groenendaal William J H Economic appraisal of natural gas projects Van Groenendaal William J H - Oxoford Oxford University Press 1998 - xvii,230p. Bib p. 216-24 cm. ISBN: 0197300197 Source: General Book Subjects--Topical Terms: Gas Industry Dewey Class. No.: X9(F558).1(X).N9, N8