1.
Alte und neue ungelste Probleme in ebener Geometrie und Zahlentheorie (German Edition)
by Klee, V.
ISBN: 9783764353087
List Price: $34.50
4.
Convexity Proceedings, Symposia in Pure Mathematics, Seattle, 1961
by Klee, V.
ISBN: 9780821814079
List Price: $64.00