Waste in industry.
Wedi'i Gadw mewn:
| OCLC: | 14792159 |
|---|---|
| Awdur Corfforaethol: | |
| Iaith: | English |
| Cyhoeddwyd: |
Washington,
1921.
|
| Rhifyn: | 1st ed. |
| Fformat: | Monograph Note that CRL will digitize material from the collection when copyright allows. |