The position finder, the principle of electronic survey position finding and a directory of position finding systems
Subtitle: VLF Omega, Loran C., Precise electromagnetic position finding & distance measuring systems, navigation satellite receiving systems, laser, infra-red and sonic position finding systems.  Publishers and editors C.B. Jeffery [and] A.G. Andrews.
Contributors: Andrews, A. G.; Jeffery, C. B.
Edition: 2D ed.
Published: 1971
Place of publication: Ottawa
Language: eng
Subjects: Electronics in position finding