Brecher, Erwin
(The) ultimate book of puzzles, mathematical diversions, and brainteasers : a definitive collection of the best puzzles ever devised / Erwin Brecher - Pan Books 1994
25877
9780330348928
Mathematical recreations
QA / 95
(The) ultimate book of puzzles, mathematical diversions, and brainteasers : a definitive collection of the best puzzles ever devised / Erwin Brecher - Pan Books 1994
25877
9780330348928
Mathematical recreations
QA / 95