TY  - RPRT
TI  - Standard Reference Materials : Summary of gas cylinder and permeation tube standard reference materials issued by the National Bureau of Standards/
AU  - Gills, T E
AU  - Mavrodineanu, R
PY  - 1987
PB  - National Institute of Standards and Technology
CY  - Gaithersburg, MD
SN  - NBS SP 260-108
DO  - 10.6028/NBS.SP.260-108
ER  -