TY - BOOK AU - Norman,L.C. TI - Mathland: the novice version SN - 0-521-46801-9 U1 - 793.7/4 NOR 20 PY - 1994/// CY - Cambridge [England], New York, NY, USA PB - Cambridge University Press KW - Mathematical recreations KW - Juvenile literature KW - Problem solving ER -