Bates Andrew D. <br/><br/>
DNA topology. 

 - New Delhi  OUP           2006 
 - xviii,198p.  cm. 
<br/><br/><label>Standard No.: </label>142083 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>G:68, P6