Wilber, Ken. <br/><br/>
The spectrum of consciousness /  
by Ken Wilber. 
 - Wheaton, Ill. :   Theosophical Pub. House,  1977. 
 - 364p. :  ill. ;   21 cm. 
<br/><br/><label>ISBN: </label>8120818482 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Consciousness<br/>Transpersonal psychology
<br/><br/><label>LC Class. No.: </label>BF311