Higgins, Peter M. Nets Puzzles and Postmen An Exploration of Mathematical Connections - Oxford� Oxford University Press 2007 - 247 p ISBN: 9780199218431 Subjects--Topical Terms: Mathematics LC Class. No.: 510 HIG 2007 Dewey Class. No.: 510 HIG 2007 National Library of Medicine Call No.: 510 HIG 2007