Economics and technical change papers presented to Section F (Economics) and jointly to Sections F and G (Engineering) at the 1968 annual meeting of the British Association for the Advancement of Science
| Awduron Eraill: | |
|---|---|
| Fformat: | Llyfr |
| Iaith: | English |
| Cyhoeddwyd: |
Oxford
Blackwell
[c1969].
|
| Pynciau: |