Física 
/ Physical Science Study Committee 
 - 1a ed. 
 - Barcelona, España :  Reverté,  1970 
 - 381 p. :  il. ;  25 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Física
<br/><br/><label>LC Class. No.: </label>QC21.2  / P49 1970