U.S. observatories :a directory and travel guide
| Author(s) : | Kirby-Smith Henry Tompkins , |
| Publisher : | New York :Van Nostrand Reinhold Co. |
| Publication Date : | 1976 |
| ISSN : | 0442244517.pbk. |
| Location : | Main, |
| Call Number : | QB81.K57 |
| Author(s) : | Kirby-Smith Henry Tompkins , |
| Publisher : | New York :Van Nostrand Reinhold Co. |
| Publication Date : | 1976 |
| ISSN : | 0442244517.pbk. |
| Location : | Main, |
| Call Number : | QB81.K57 |