| 
by Stan CollinsPaperback 
 
 
 details (Italy). details (Spain - España). 
 ISBN: 978-0-931993-30-5 ISBN-10: 0-931993-30-X Garlic Press · 1990  | 
| See also: | ||
| 1990 | Paperback | Pre-Geometry (Straight Forward Math Series, Book 2) (Advanced Straight Forward Math Series) |