U.S. technological leadership: Where did it come from and where did it go?
| Year of publication: |
1990
|
|---|---|
| Authors: | Nelson, Richard R. |
| Published in: |
Research Policy. - Elsevier, ISSN 0048-7333. - Vol. 19.1990, 2, p. 117-132
|
| Publisher: |
Elsevier |