Tan, Mei Ching.
Robert Chafe
Dixon Long
Andrés Barba
Charles Black
Ward
John Barrow
Adam and Charles Black (Firm)
International Symposium on the U. S. Domestic Short Distance Navigation System - VORTAC - and Its Relationship to the International Air Navigation System Washington, D. C., and Indianapolis 1958.
Charles Ball
[name missing]
William Henry Newlin
Herbert Fry
[author not identified]
E. HOYT
Montgomery Gibbs
John Murray (Firm )
Geological and Natural History Survey of Minnesota
Indiana Geological Survey