TY  - BOOK
ED  - International Telecommunication Union
TI  - ITU-R recommendations,1994 PN series : propagation in ionized media
SN  - 9261052711
U1  - 621.396 I.T.U. 
PY  - 1994///
PB  - International Telecommunication Union
KW  - Chemical engineering
KW  - Technology of industrial chemicals
KW  - Propagation in ionized media
ER  -