Network planning in the 1990's : proceedings of the Fourth International Network Planning Symposium held in Palma de Mallorca, Spain, 17-22 September, 1989 / edited by Luis Lada ; sponsored by Telefónica
Published
Amsterdam ; New York : North-Holland ; New York, N.Y., U.S.A. : Distributors for the U.S. and Canada, Elsevier Science Pub. Co., 1989