Contributions to the Theory of Riemann Surfaces. (AM-30), Volume ...
Lars Valerian Ahlfors & E. Calabi & Marston Morse & Leo Sario & Donald Clayton Spencer
Fuzzy Group Theory
John N. Mordeson & Kiran R. Bhutani & A. Rosenfeld
Outlines of Psychology
Wilhelm Max Wundt
Materialism and the Metaphysics of Modality (Essay)
David John Chalmers
Type-2 Fuzzy Logic: Theory and Applications
Oscar Castillo & Patricia Melin
Mark Twain at Bayreuth
Mark Twain