Beltran L., Virgilio <br/><br/>
Fisica tres  : teorias problemas y experimentos 
/ Virgilio Beltran / coord. Elizer Braun 
 - Mexico  : Trillas  , 1978  , c1977. 
 - 207 p. enc.  : il. maps. retrs.  ; 50 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Fisica
<br/><br/><label>Dewey Class. No.: </label>530 BEL