TY - BOOK AU - Spivak,Michael TI - A comprehensive introduction to differential geometry SN - 0914098810 PY - 1979/// CY - Berkeley, Calif. PB - Publish or Perish, Inc. KW - Geometry, Differential N1 - Includes bibliographical references and index; Curves in the plane and in space--What they knew about surfaces before gauss--The curvature of surfaces in space ER -