TY  - BOOK
AU  - Alʹpert, IA. L.  
AU  - Fligel, D. S. 
TI  - Propagation of ELF and VLF waves near the earth
SN  - 306108364
PY  - 1970///
CY  - New York
PB  - Consultants Bureau
KW  - Elf And Vlf WavesPropagation Of Elf & Vlf Waves
ER  -