Publications of the Dominion Observatory, Ottawa.
Wedi'i Gadw mewn:
| Teitl Newydd: | Canada. Earth Physics Branch. Publications of the Earth Physics Branch. |
|---|---|
| Awduron Corfforaethol: | , |
| Fformat: | Cyfresol |
| Iaith: | English |
| Cyhoeddwyd: |
Ottawa,
Dept. of Energy, Mines and Resources, Observatories Branch.
|
| Pynciau: |
| Cyhoeddwyd: | v. 1-39, no. 12; 1913-1970. |
|---|---|
| Disgrifiad Corfforoll: | 39 v. 28 cm. |
| ISSN: | 0369-7150 0373-4838 |