Orin Chein

**O.C.**

Dover Publications · Heldermann, N

title ISBN-13
(ISBN-10)
year of publica-
tion
other author(s)
Problem Solving Through Recreational Mathematics 978-0-486-40917-7
(0-486-40917-1)
1999Bonnie Averbach
Quasigroups and Loops: Theory and Applications
978-3-88538-008-5
(3-88538-008-0)
1990Hala O Pflugfelder · Jonathan D Smith

 

Orin Clarkson Baker