TY  - BOOK
AU  - Rogers,V.C.
AU  - Nielson,K.K.
TI  - A handbook for the determination of radon ? attenuation through cover materials
U1  -  628.53 
PY  - 1979///
CY  - Washington, D. C.
PB  - United States Government Printing Office
KW  - Air
KW  - Pollution
KW  - Air pollution
KW  - Prevention and control
KW  - Air quality management
ER  -