Six years :  the dematerialization of the art object from 1966 to 1972 ... / 
edited and annotated by Lucy R. Lippard. 
 - Berkeley ;  London :  University of California Press,  1997. 
 - xxii, 272 p. :  ill., ports. ;  22 cm. 
<br/><br/> Originally published: London : Studio Vista, 1973.  Includes index. 
<br/><br/><label>ISBN: </label>0520210131 9780520210134 
<br/><br/><label>LCCN: </label>970624c 
<br/><br/><label>Nat. Bib. No.: </label>GB9753409 
<br/><br/><label>Nat. Bib. Agency Control No.: </label>0520210131  Uk 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Conceptual art.<br/>Art, Modern--20th century.