Roser, Siegfried <br/><br/>
PPM star catalogue  positions and proper motions of 181731 stars northof -2.5 degrees declination for equinox and epoch vol.I. zones +80 to + 3 
Siegfried Roser and Ulrich Bastian                                              
 - Heidelberg  Astronomisches Rechen-Institut  1991 
 - [various pagings.] 
<br/><br/><label>ISBN: </label>3-86025-000-0 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astronomy and Astrophysics Thesaurus<br/>Catalogue-Stars<br/>Spectral catalogs<br/>Star catalogs
<br/><br/><label>Universal Decimal Class. No.: </label>083.8:524.3  / ROS