TY  - RPRT
TI  - Nationwide survey of cobalt-60 teletherapy dosimetry 
AU  - Soares, C G
PY  - 1978
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS TN 978
DO  - 10.6028/NBS.TN.978
ER  -