Heller, Louis G. Parametric linguistics by Louis G. Heller and James Macris. - The Hague Mouton 1967. - 79 p. illus. - Janua linguarum. Series minor nr. 58 . - Janua linguarum. series minor 58. . Bibliographical footnotes. LCCN: 67004162 //r89 Subjects--Topical Terms: Mathematical linguistics LC Class. No.: P123 / .H32 Dewey Class. No.: 410.18