Raber, S.; Ellner, I.
view article (9.992496)
Battery-Operated Smoke Detectors--The Need for Effective Battery Supervision.
Pyr-A-Larm, Inc.
Fire Journal,
Vol. 72,
No. 5,
104-108,
September 1978
National Fire Protection Association. Annual Meeting, 82nd. May 15-18, 1978,
Anaheim, CA,
1978