The sources of invention
Jewkes, John ,1902-
The sources of invention by John Jewkes , David Sawers [and] Richard Stillerman - Macmillan London 1958 1958 - 428 p. ; 23 cm.
Includes bibliography
Inventions--T
T212.J4 1958
The sources of invention by John Jewkes , David Sawers [and] Richard Stillerman - Macmillan London 1958 1958 - 428 p. ; 23 cm.
Includes bibliography
Inventions--T
T212.J4 1958