00556pamaa2200181 4500 0000015182 20060508090000.0 0521359244 510.78 BEL QA19.B55 BEL 1988 BELL Board games round the world : a resource book for mathematical investigations Robbie Bell and Michael Cornelius. Cambridge: C.U.P., 1988. 124p.: 25cm. Board games Educational games Mathematics -- Study and teaching CORNELIUS, Michael