Astrophysics and twentieth-century astronomy to 1950  pt. A 
edited by Owen Gingerich                                           
 - Cambridge,  Cambridge University Press  1984 
 - x, 198p. 
<br/><br/><label>ISBN: </label>0-521-24256-8 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astronomy - history<br/>Astronomy and astrophysics thesaurus<br/>Astrophysics
<br/><br/><label>Universal Decimal Class. No.: </label>52(091)  / AST