Schwarcz R M Steps towards a model of linguistic performance a preliminary sketch - Calfornia The Rand 1967 - vii,36p. cm. - United Sates air force project rand research memorandum; 5214 . Standard No.: 50,071 Source: Textual Subjects--Topical Terms: LINGUISTICS Dewey Class. No.: P:(D65,8(B)), K71-;1 (PD)