| 000 | 00471nam a2200145Ia 4500 | ||
|---|---|---|---|
| 008 | 1968enka dr a100 0 engdd | ||
| 040 | _aABU, Za | ||
| 050 | _aQC 879 | ||
| 245 | 0 | _aConference on tropospheric wave propagation, 30th September-2nd October, 1968 | |
| 260 |
_aLondon _bI.E.E. _c1968 |
||
| 300 | _avi, 251p., :illus. | ||
| 490 | _aConference publications, | ||
| 504 | _aIncludes bibliographical references | ||
| 999 |
_c13126 _d13126 |
||