Willmore, T. Total curvature in Riemannian geometry / T.J. Willmore. - Chichester, [West Sussex] : Ellis Horwood ; 1982. - 168 p. ; 24 cm. Includes index. ISBN: 0853122679 Subjects--Index Terms: Geometry, Riemannian Curvature Dewey Class. No.: 516.3/73 / WIL