TY - GEN AU - Hawkins, E G AU - Napolitano, A C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1970-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.SP.260-23 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1970 TI - Standard Reference Materials ::Viscosity of a standard borosilicate glass/ ER -