Davidson, Margaret  1949- <br/><br/>
Contemporary drawing :  key concepts and techniques / 
Margaret Davidson. 
 - New York, N.Y. :  Watson-Guptill,  c2011. 
 - 192 p. :  ill. (chiefly col.). 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>9780823033157 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Drawing--Technique
<br/><br/><label>LC Class. No.: </label>NC 730  / D384