Technology assessment & forecast.
Wedi'i Gadw mewn:
| Awdur Corfforaethol: | |
|---|---|
| Fformat: | Cyfresol |
| Iaith: | English |
| Cyhoeddwyd: |
Washington, D.C :
United States Dept. of Commerce, Patent and Trademark Office,
1977-1979?.
|
| Pynciau: |
| Cyhoeddwyd: | 5th (1976)- |
|---|---|
| Disgrifiad Corfforoll: | v. ; 29cm. |
| Publication Frequency: | Irregular. |