Bibliographic Details
Main Creator:	Verry, H. R.
Contributors:	Wright, Gordon (Gordon H.)
Format:	Book
Language:	English
Published / Created:	London, New York, Focal P., 1967.
Edition:	Revised ed.
Series:	The Focal library
Subjects:	Microfilms. Photocopying.
Notes:	Bibliography: p. 155-162. Physical description: 183 p. illus., 8 plates, tables, diagrs. 25 cm. more