Control tower and dispatcher ratings

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035 ‡z(MnU)Aleph002158671
040 ‡cCarP
050 0 0 ‡aTL725.3.T7 ‡bZ92 1955
100 1 ‡aZweng, Charles Alfonso, ‡d1893-
245 1 0 ‡aControl tower and dispatcher ratings.
250 ‡a2d rev. ed.
260 ‡aNorth Hollywood, Calif. : ‡bPan American Navigation Service, ‡c[1955]
300 ‡a352 page : ‡billustrations ; ‡c27 cm
336 ‡atext ‡btxt ‡2rdacontent
337 ‡aunmediated ‡bn ‡2rdamedia
338 ‡avolume ‡bnc ‡2rdacarrier
538 ‡aMode of access: Internet.
650 0 ‡aAirports ‡xTraffic control.
CID ‡a101725831
DAT 0 ‡a20160616161921.0 ‡b20160909000000.0
DAT 1 ‡a20160910090530.0 ‡b2023-08-14T18:19:17Z
DAT 2 ‡a2023-08-14T17:30:02Z ‡b2022-09-20T20:00:03Z
CAT ‡aSDR-UMN ‡dEX LIBRIS - ALMA ‡lprepare.pl-004-006
FMT ‡aBK
HOL ‡0sdr-umn9962415290001701 ‡aumn ‡bSDR ‡cUMN ‡pumn.31951000793451y ‡sUMN ‡19962415290001701
974 ‡bUMN ‡cUMN ‡d20230814 ‡sgoogle ‡uumn.31951000793451y ‡y1955 ‡rpdus ‡qren