Economics of invention and innovation : with a case study of the development of the Hovercraft
Johnson, P.S.
Economics of invention and innovation : with a case study of the development of the Hovercraft - - London Martin Robertson, 1975 - xi,329 p. 22 cm - .
0-85520-078-21
Technological innovations-Economic aspects
Ground effect machines-Case studies
5/6.001.5:338 Joh
Economics of invention and innovation : with a case study of the development of the Hovercraft - - London Martin Robertson, 1975 - xi,329 p. 22 cm - .
0-85520-078-21
Technological innovations-Economic aspects
Ground effect machines-Case studies
5/6.001.5:338 Joh