Rohlfs K <br/><br/>
Lectures on density wave theory 
Rohlfs K 
 - Berlin  Springer-Verlag           1977 
 - 184p.  cm. 
 - Lecture notes in physics; 69 .
<br/><br/><label>Standard No.: </label>25335 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Galaxies
<br/><br/><label>Dewey Class. No.: </label>B9641, L7