Seeing the light [video recording]./ 

 - [sl.] :  Discovery Channel,    c2004. 
 - 1videodisc(DVD)(14min.): sd., col.; 4 3/4in.   
 - Discovery Channel School   .
<br/><br/><label>Subjects--Topical Terms: </label>
<br/><br/><label>Dewey Class. No.: </label>DVD 535 Se328 2004