Rucker, Rudy <br/><br/>
Fourth dimension toward a geometry of higher reality 

 - New York:   Dover Publications Inc,   1984 
 - 228p. 
<br/><br/><label>ISBN: </label>0-486-77978-5 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Space
<br/><br/><label>Subjects--Index Terms: </label>Magic doors 
<br/><br/><label>Universal Decimal Class. No.: </label>531-4  / Q4