Motz, Lloyd <br/><br/>
Stellar systems and the structure of the Milky Way 

 - Belmont:  Clumbia University Press  1967 
 - 711p. :   il ;   23 cm. 
<br/><br/> Son fotocopias 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astronomía