MATTER AND ENERGY/  
C.V.E.S.A 
 - 2 
 - MEXICO:   C.V.E.  1968 
 - 1 VIDEO (VHS) (12M 45S) COL. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>1.MATERIA.<br/>2.ENERGIA.
<br/><br/><label>Dewey Class. No.: </label>C 603 C45 V.5