Altered states of awareness / 
With introductions by Timothy J. Teyler. 
 - San Francisco :  W.H. Freeman,  1972. 
 - 140 p. :  ill. (some col.) ;  29 cm. 
 - 153.7 .
<br/><br/>Includes bibliogr. references and index 
<br/><br/><label>ISBN: </label>0716708558 (pbk) 0716708566 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Awareness
<br/><br/><label>Dewey Class. No.: </label>153.7