TY  - BOOK
ED  - United States.
TI  - Directory of certificates of compiliance for radioactive materials packages
U1  - 363.738 
PY  - 1981///
CY  - Washington, D.C.
PB  - The Commission
KW  - Radon
KW  - Environmental aspects
KW  - Gas industry
N1  - NUREG-0383; Library has vol.2
ER  -