TY - GEN AU - Natalie E Willman AU - Mark P Williamson C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1991-01-01 05:01:00 DO - https://doi.org/10.6028/NIST.SP.260-115 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1991 TI - Standard Reference Materials ::Calibration of NIST standard reference material 3201 for 0.5 inch (12.65 mm) serial serpentine magnetic tape cartridge/ ER -