TY  - RPRT
TI  - Publications of the National Bureau of Standards Supplement of MP240/ 
AU  - Oberholtzer, Betty L
PY  - 1967
PB  - National Institute of Standards and Technology
CY  - Gaithersburg, MD
SN  - NBS MP 240-2
DO  - 10.6028/NBS.MP.240-2
ER  -