Yarwood, John High vacuum technique : theory, practice and properties of materials / by J. Yarwood - 4th ed. (completely revised). - London : Chapman & Hall, 1967 - iii-x, 274 p. : ill. ; tables, diagrs. 22 1/2 cm. - High vacuum series . Bibliography: p. 265-269. ISBN: 0412025205 Subjects--Topical Terms: Vacuum technology