Order:
  1.  9
    Approaching vagueness.Thomas T. Ballmer & Manfred Pinkal (eds.) - 1983 - New York: Sole distributors for the U.S.A. and Canada, Elsevier Science Pub. Co..
  2.  10
    Context change, truth and competence.Thomas T. Ballmer - 1979 - In Rainer Bäuerle, Urs Egli & Arnim von Stechow (eds.), Semantics From Different Points of View. Springer Verlag. pp. 21--31.