Lapp, Ralph E. <br/><br/>
Materia 
/ Ralph E. Lapp / trad. Jorge Escalona 
 - Mexico  : Offset Larios  , 1979. 
 - 200p. enc.  : il. retrs.  45 
 - Coleccion Cientifica de Time-Life .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Fisica---Materia<br/>Materia---Fisica
<br/><br/><label>Dewey Class. No.: </label>530 LAP