The theory of graphs in linguistics.
- The Hague, Paris : Mouton, 1970.
- 62 p. diagrs., tables. 23 cm.
- Janua linguarum. Series minor ; 94 .
Translation of La teoria de los graficos en la linguistica. "Based on a seminar carried out in 1967 by members of the Department of Languages and Linguistics of the National University of Trujillo."