Serafino Cicerone, Paolino Di Felice. Cardinal relations between regions with a broad boundary. In Ki-Joune Li, Kia Makki, Niki Pissinou, Siva Ravada, editors, ACM-GIS 2000, Proceedings of the Eighth ACM Symposium on Advances in Geographic Information Systems, November 10-11, 2000, Washington D.C., USA. pages 15-20, ACM, 2000. [doi]
Abstract is missing.