TY  - RPRT
TI  - Low- and very low-radiofrequency model ionosphere reflection coefficients 
AU  - Johler, J Ralph
PY  - 1960
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS TN 69
DO  - 10.6028/NBS.TN.69
ER  -