Despite high maintenance and fuel costs, the aircraft acts as a prestige emblem, drawing in the well-heeled corporate passengers British Airways, in particular, sees as its principal source of income.
The writer, writing from Vienna, says this is one of the few examples of functional street nomenclature in a city that runs to music and musicians, writers, minor civil servants, and the era of the Arabian Nights as its principal source.
"The Price of Loyalty," Ron Suskind's new best-selling exposé of the inner workings of the Bush White House, reads like an as-told-to book by its principal source, Mr. O'Neill, a C.E.O./cabinet officer fired by another Texan wartime president.
For more than a century, the estancia, or rural estate, has been one of the most elegant symbols of Argentina, as well as one of its principal sources of wealth.
Fossilized dental remains indicate that the giant panda committed to bamboo as its principal food source at least three million years ago.
Considering that the brain is dependent on an appropriate supply of glucose as its principal energy source, one cannot rule out the possibility that plasma glucose instability over 24 h may affect cognitive functioning.
Lucia Chase and the American Ballet Theatre," the new book by Chase's son, Alex C. Ewing, which details Chase's journey from dancer and actress to ballet director and prima ballerina: in 1940, she co-founded the Ballet Theatre (it would later be renamed American Ballet Theatre), with Richard Pleasant, serving as its principal dancer (and main source of funding).
China is still critically reliant on the U.S and its allies, the EU and Japan, as its principal export markets and sources of advanced technologies and know-how.
A reserved but pleasant woman — "sensible, pragmatic Glaswegian" is the phrase Branson almost always uses to describe her — she serves as his principal source of gravity.
After his death, Dr. Kelly was named by the BBC as the principal source for its contentious May 29 report, but, in a public inquiry by a parliamentary panel in mid-July, he denied being the "main source".
The consortium now lists the U.C.S.C. browser as the principal source for viewing its human genome sequence.
