Threshold analysis handbook 

 - New York  United Nations USA         1977 
 - viii, 167p.  cm. 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Fine Arts
<br/><br/><label>Dewey Class. No.: </label>NB:(X:89K)g, L7/UN