Addition and subtraction rap [video recording].   

 - QC :  Felta,  c?. 
 - 1 videodisc (DVD) (55min.): sd., col.; 4 3/4in.   
<br/><br/><label>Subjects--Topical Terms: </label>
<br/><br/><label>Dewey Class. No.: </label>DVD 550 Ea767 1997