TY - BOOK AU - Schum,John L. TI - Locksmithing and electronic security wiring diagrams SN - 0071393056 (pbk. : alk. paper) U1 - 621.38928 SCH 21 PY - 2002/// CY - New York PB - McGraw-Hill KW - Electronic locking devices KW - Electric wiring KW - Charts, diagrams, etc N1 - Includes index ER -