McGraw-Hill Encyclopedia of science and technology an international reference work.
| Fformat: | Llyfr |
|---|---|
| Cyhoeddwyd: |
New York
McGraw-Hill
c1971.
|
| Rhifyn: | 3rd ed. |
| Pynciau: |
| Fformat: | Llyfr |
|---|---|
| Cyhoeddwyd: |
New York
McGraw-Hill
c1971.
|
| Rhifyn: | 3rd ed. |
| Pynciau: |