21. Euclid's window :

Author:

Library: Center and Library of Islamic Studies in European Languages (Qom)

Subject: Geometry-- History.

Classification :
QA443
.
5
.
M56
2001

33. Euclidean and non-euclidean geometries development and history

Author:

Library: Central library and Documentation Center (Zanjan)

Subject: ، Geometry, non-euclidean - History

Classification :
QA
445
.
G84
1994