The engineer
| Prif Awdur: | |
|---|---|
| Awdur Corfforaethol: | |
| Awduron Eraill: | |
| Fformat: | Llyfr |
| Iaith: | English |
| Cyhoeddwyd: |
Alexandria, Va., Morristown, N.J.
Time-Life Books School and library distribution by Silver Burdett Co.
c1981.
|
| Rhifyn: | Rev. ed. |
| Cyfres: | Life science library
|
| Pynciau: |