Public safety systems.
| Previous Title: | Municipal signal engineer |
|---|---|
| Corporate Author: | |
| Format: | Journal |
| Language: | English |
| Published: |
Morton Grove, Ill. :
Jefferson Publications,
©1967-
|
| Subjects: |
| Published: | Vol. 32, no. 1 (Jan./Feb. 1967)-v.35, no. 6 (Nov./Dec. 1970). |
|---|---|
| Item Description: | Title from cover. |
| Physical Description: | volumes : illustrations ; 28-29 cm |
| Publication Frequency: | Bimonthly |