Geometry, Hyperbolic.

[NT 60487] Overview

[NT 60478] Works:	2 [NT 60520] works in 2 [NT 60521] publications in 1 [NT 60522] languages

[NT 60480] Titles

Non-euclidean geometry : a critical and historical study of its developments [NT 59711] by: Bonola, Roberto ([NT 1579] Language materials, printed)

Crocheting adventures with hyperbolic planes [NT 59711] by: Taimina, Daina ([NT 1579] Language materials, printed)