1. Denkspiele funkluge Kopfe
Author: / Von Walter Sperling,Speling
Library: Central Library and Documents Center of Tehran University (Tehran)
Subject: Mathematical recreations,Paradoxes
Classification :
QA
95
.
S625
1940
2. Puzzles and paradoxes
Author: O'Beirne, T H
Library: Central Library and Information Center of Ferdowsi University of Mashhad (Khorasan Razavi)
Subject: ، Mathematical recreations,، Puzzles,، Paradoxes
Classification :
QA
95
.
O2
