Pierre Dupont, Laurent Miclet, Enrique Vidal. What Is the Search Space of the Regular Inference?. In Rafael C. Carrasco, José Oncina, editors, Grammatical Inference and Applications, Second International Colloquium, ICGI-94, Alicante, Spain, September 21-23, 1994, Proceedings. Volume 862 of Lecture Notes in Computer Science, pages 25-37, Springer, 1994.