Approaching vagueness / edited by Thomas T. Ballmer and Manfred Pinkal - Amsterdam : North-Holland, 1983 - x, 429 p. : ill. ; 23 cm - North-Holland linguistic series 50 . ISBN: 0444867457 U.S. Subjects--Topical Terms: Semantics--Addresses, essays, lecturesAmbiguity--Addresses, essays, lecturesLanguages--Philosophy--Addresses, essays, lectures