TY  - BOOK
AU  - Blackband W t
AU  - Blackband, W T
AU  - Blackband W t
TI  - Propagation of Radio Waves at Frequencies Below 300 Kc/s
U1  - 621.384 11/BLA 
CY  - London
PB  - Pergamon Press
KW  - Frequency
KW  - Propagation
KW  - Radio
KW  - Waves
ER  -