G *** F · Gary F Ray · George F. Ray
| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| The Diffusion of New Industrial Processes: An International Study | 978-0-521-20430-9 (0-521-20430-5) | 1974 | L. Nabseth |
| The Innovation Process in the Energy Industries | 978-0-521-22371-3 (0-521-22371-7) | 1979 | L. Uhlmann |