Books listed by ISBN

John L. Schum

J.S. · John S. · John Schum

McGraw-Hill

titleISBN-13
(ISBN-10)		year of publica-
tion
Electronic Locking Devices978-0-409-90125-2
(0-409-90125-3)		1988
Locksmithing and Electronic Security Wiring Diagrams978-0-07-139305-8
(0-07-139305-6)		2002

 

John L. Scotson