TY  - BOOK
AU  - Higgins, PM
TI  - Nets, puzzles, and postmen:an exploration of mathematical connections
SN  - 9780195699300
U1  - 510:685.85 
PY  - 2007///
CY  - Oxford
PB  - Oxford university press
KW  - MATHEMATICS-PUZZLES
N1  - Ref sec
ER  -