Plate tectonics :   the puzzle of the continents. 

 - Fort Collins, CO :  Scott Resources/ Felta Multi-Media,  c1990. 
 -  1 videodisc (DVD) (19 min.) : sd., col. ; 4 3/4 in.  Earth science video library 
<br/><br/><br/>English 
<br/><br/><label>ISBN: </label>DVD 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Stars--Juvenile literature<br/>Galaxies--Juvenile literature<br/>Astronomy--Juvenile literature
<br/><br/><label>LC Class. No.: </label>551.136 P69 c1990