
Symmetry, Shape and Space: An Introduction to Mathematics Through Geometry - L.Christine Kinsey, Teresa E. Moore - Google Books,

Amazon.com: Shapes, Space, and Symmetry (Dover Books on Mathematics): 9780486268514: Holden, Alan: Books,

The Shape of Inner Space: String Theory and the Geometry of the Universe's Hidden Dimensions: Yau, Shing-Tung, Nadis, Steve: 9780465028375: ,

Amazon.com: Shapes, Space, and Symmetry (Dover Books on Mathematics): 9780486268514: Holden, Alan: Books,

Singularities of Non-Developable Ruled Surface with Space-like Ruling