Protein and nucleic acid Structure  [videorecording] / 
produced by Hendrik Ball 
 - United Kingdom :  The Open University,  [n.d.] 
 - 1 videocassette (VHS) (60 min.) :  sd., col. ;  1/2 in. 
<br/><br/> Copy available in DVD format 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Proteins<br/>Nucleic acids