共 10 条
[1]
BELL GJ, 1970, 29 ROYAL OBS TECHN N
[3]
VISIBILITY MEASUREMENTS IN NATIONAL-PARKS IN THE WESTERN UNITED-STATES
[J].
JOURNAL OF THE AIR POLLUTION CONTROL ASSOCIATION,
1984, 34 (09)
:899-904
[4]
Meteorological Office, 1982, OBSERVERS HDB
[5]
PUESCHEL RF, 1983, WMO14 ENV POLL MON P
[8]
1980, WHO OFFSET PUBLICATI, V51
[9]
1979, HDB WEATHER MESSAG 3
[10]
1984, WMO266 WORLD MET ORG