TY  - RPRT
TI  - NIST leak calibration service 
AU  - Ehrlich, Charles D
AU  - Tison, Stuart A
PY  - 1992
PB  - National Institute of Standards and Technology
CY  - Gaithersburg, MD
SN  - NIST SP 250-38
DO  - 10.6028/NIST.SP.250-38
ER  -