Ernst P. Billeter (Billeter, Ernst P.)

German

• 
  Grundlagen Der Erforschenden Statistik: Statistische Testtheorie
  by Ernst P. Billeter
  Hardcover, Springer, ISBN 3211810358 (3-211-81035-8)

English

• 
  Overlapping Tendencies in Operations Research Systems Theory and Cybernetics: Proceedings of an International Symposium, University of Fribourg, Switzerland, October 14-15, 1976
  by Michel A. Cuenod, Salomon Klaczko-Ryndziun, Ernst P. Billeter
  Hardcover, Birkhauser, ISBN 3764308931 (3-7643-0893-1)