共 174 条
[2]
QUANTIFICATION OF NOCTURNAL PASSERINE MIGRATION WITH A PORTABLE CEILOMETER
[J].
CONDOR,
1975, 77 (01)
:92-96
[3]
Althaus H.P., 1982, Ornithologische Beobachter, V79, P45
[4]
ANGELS IN FOCUS
[J].
JOURNAL OF RESEARCH OF THE NATIONAL BUREAU OF STANDARDS SECTION D-RADIO SCIENCE,
1965, D 69 (06)
:871-+
[5]
ATLAS D, 1970, 14TH P RAD MET C TUS, P73
[6]
Atlas D., 1964, ADV GEOPHYS, V10, P317
[7]
BARRY JR, 1973, APL FAARD73158 J HOP, V1
[8]
BARRY JR, 1973, APL FARD73158 J HOPK, V2
[9]
BARTON DK, 1976, RADAR SYSTEM ANAL
[10]
Battan L. J, 1973, RADAR OBSERVATION AT