Williams, Alan Fowler Liquefied petroleum gases; A guide to properties, applications and usage of propane and butane - New York: John Wiley & Sons, Inc., 1974 - xv, 403p. ISBN: 047094850-7 Subjects--Topical Terms: Chemical technlogy Subjects--Index Terms: Petroleum gases Universal Decimal Class. No.: 665.59.001.8 / L4