Luftfahrt-Bundesamt
Louisiana Bankers Association[?]
Latin Business Association[?]
Airport code for the Leeds Bradford International Airport[?]
Large-scale biosphere-atmosphere experiment in Amazonia[?]
Logical block addressing[?]
... left side is now a perfect square; it is the square of (x + b/(2a)). The right side can be written as a single fraction; the common denominator is 4a2. W ...