Hans Schrijver <br/><br/>
Hipparcos and Tycho Catalogues vol.11  Hipparcos Variability Annex:Periodic and U vARIABLES sPECTRAL tYPESnsolved 
Hans Schrijver 
 - Noordwijk  European Space Agency  1997 
 - 380 p.tabl 
 - Hipparcos and Tycho Catalogue Vo,11  EAS SP-1200 (1997, 380 p.tab.) .
<br/><br/><label>ISBN: </label>9290923997 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astrophysics--Catalogue--Variable Stars
<br/><br/><label>Subjects--Index Terms: </label>Variable Stars Spectral Types 
<br/><br/><label>Dewey Class. No.: </label>B6o7H67f2048