
Differential Geometry: Manifolds, Curves, and Surfaces: Manifolds, Curves, and Surfaces (Graduate Texts in Mathematics, 115): Berger, Marcel, ,

Riemannian Manifolds: An Introduction to Curvature - John M. Lee - Google Books,

An Introduction to Riemann-Finsler Geometry (Graduate Texts in Mathematics, 200): David Dai-Wai Bao, Shiing-Shen Chern, Zhongmin Shen: 9780387989488: ,

Riemannian Geometry | SpringerLink,

Riemannian Manifolds: An Introduction to Curvature - John M. Lee - Google Books
SIGNAL - A Whole Earth Catalog / Kevin Kelly ケヴィン・ケリー
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