Willman, N.
and Williamson, M.
(1991),
Standard Reference Materials ::Calibration of NIST standard reference material 3201 for 0.5 inch (12.65 mm) serial serpentine magnetic tape cartridge/, , National Institute of Standards and Technology, Gaithersburg, MD, [online], https://doi.org/10.6028/NIST.SP.260-115
(Accessed January 18, 2025)