TY  - RPRT
TI  - Standard Reference Materials : Viscosity of a standard lead-silica glass/
AU  - Hawkins, E G
AU  - Napolitano, A
PY  - 1966
PB  - National Institute of Standards and Technology
CY  - Gaithersburg, MD
SN  - NBS SP 260-11
DO  - 10.6028/NBS.SP.260-11
ER  -