Supermassive black holes  [videorecording] / 
BBC Education and Training 
 - Sydney :  BBC Education and Training,  [n.d] 
 - 1 videocassette (VHS) (60 min.) :  sd. col. ;  1/2 in. 
 - Videos for education [videorecording] .
<br/><br/><label>ISBN: </label> RM1300.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Black holes (Astronomy)