C. F. Tsai and M. S. Young (December 2003). "Pyroelectric infrared sensor-based thermometer for monitoring indoor objects". Review of Scientific Instruments. 74 (12): 5267–5273. Bibcode:2003RScI...74.5267T. doi:10.1063/1.1626005.
C. F. Tsai and M. S. Young (December 2003). "Pyroelectric infrared sensor-based thermometer for monitoring indoor objects". Review of Scientific Instruments. 74 (12): 5267–5273. Bibcode:2003RScI...74.5267T. doi:10.1063/1.1626005.