TY  - RPRT
TI  - On the climatology of ground-based radio ducts and associated fading regions 
AU  - Dutton, E J
PY  - 1961
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS TN 96r
DO  - 10.6028/NBS.TN.96r
ER  -