[1] Balanced Asynchronous Class unter HDLC

[2] Buffer Access Card

[3] Branch to Alpha Centauri (aus "The REAL Canonical List of Forgotten Assembly Language Commands" :-)

[4] Böing Aerospace/Aircraft Company {Luftfahrt}/{Weltraumfahrt}

[5] Barranca De Upia, Columbia - internationale Fughafen-Kennung.