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- [3] TRAFFIC AREAS OF FRANKFURT-MAIN AIRPORT ILLUMINATED WITH FLUORESCENT LAMPS LICHTTECHNIK, 1975, 27 (07): : 272 - 272
- [5] ROMERBERG CONFERENCE OF 1977 IN FRANKFURT-MAIN + PROSPECTS OF GERMAN FILM INDUSTRY FILMKRITIK, 1977, 21 (06): : 274 - 281
- [6] USE OF CLASS-F INSULATING MATERIALS REPORT ON A SYMPOSIUM IN FRANKFURT-MAIN ELEKTROTECHNISCHE ZEITSCHRIFT B-AUSGABE, 1971, 23 (01): : 7 - &
- [8] LIGHTING FITTINGS DISPLAYED AT THIS YEARS AUTUMN FAIR AT FRANKFURT LICHTTECHNIK, 1972, (10): : 500 - &