Faison, C.
and Brickenkamp, C.
(2001),
NIST Handbook 150-2C:2001 NVLAP Calibration Laboratories, Technical Guide for Time and Frequency Measurements, Handbook (NIST HB), National Institute of Standards and Technology, Gaithersburg, MD, [online], https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=905611
(Accessed October 11, 2024)