| Title: | Recherches sur les mouvements propres des étoiles dans la zone photographique de Helsingfors |
| Author: | Furuhjelm, Ragnar, 1879-1944 |
| Author: | Olander, Victor Rafael, 1897- |
| Author: | Runeberg, J. |
| Author: | Poirot, Jean, 1873- |
| Note: | Imprimerie de la Société de littérature finnoise, 1916 |
| Link: | page images at HathiTrust |
| No stable link: | This is an uncurated book entry from our extended bookshelves, readable online now but without a stable link here. You should not bookmark this page, but you can request that we add this book to our curated collection, which has stable links. |
| Subject: | Stars -- Observations |
| Subject: | Stars -- Proper motion |
| Other copies: | Look for editions of this book at your library, or elsewhere. |
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