TY  - BOOK
AU  - Georges,T.W.
TI  - Essa technical report IER 57: lonospheric effects of atmospheric waves 
U1  -  551.5142 
PY  - 1967///
CY  - Washington, D.C.
PB  - U.S. Government Printing Office
KW  - Ozone
KW  - Measurement
KW  - Photometry, Ultraviolet
KW  - Air
KW  - Pollution
ER  -