Calladine C.R., <br/><br/>
Understanding DNA :  
by C.R. Calladine and Horace R Drew .  
 - London  Academic Press  1992 
 - 220P. 
<br/><br/><label>ISBN: </label>0-12-155086-9 
<br/><br/><label>Dewey Class. No.: </label>G113  / N2