000 | 00507 a2200253 4500 | ||
---|---|---|---|
001 | 169393 | ||
020 | _a | ||
041 | _aeng | ||
080 | _a625.746:656.05 | ||
245 | _aNight visibility 1963 and 1964,10 reports : | ||
250 | _a | ||
260 | _aWashington, D. C. | ||
260 | _bHRB | ||
260 | _c1965 | ||
300 | _a88 | ||
300 | _c | ||
856 | _uTRB | ||
490 | _aNASA CR - 2851 : vol. - 1 : 1979 | ||
100 | _aTransportation Research Board | ||
700 | _a | ||
650 | _a | ||
650 | _a | ||
942 | _cPP | ||
942 | _2UDC | ||
999 |
_c190336 _d190336 |