Wurm, Karl <br/><br/>
Die kometen 
Karl Wurm 
 - Berlin  Springer-Verlag  1954 
 - 160p. 
 - Verstandliche Wissenschaft; v. 53 .
<br/><br/> Text in German Language 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astronomy and astrophysics thesaurus<br/>Comets
<br/><br/><label>Universal Decimal Class. No.: </label>523.64  / WUR