Calladine, C. R. <br/><br/>
Understanding DNA :   the molecule and how it works / 
by C.R. Calladine and Horace Drew. 
 - 2nd ed. 
 - San Diego :  Academic Press,  1997. 
 - xi, 283 p. :  ill. ;  25 cm. 
<br/><br/> Includes index. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>0121550885 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>DNA.<br/>Molecular biology.