Erratum to: Applied Geomatics

DOI 10.1007/s12518-010-0017-x

Owing to an unfortunate misunderstanding during the proof correction process, the names of two authors were omitted.

The full list of authors (with affiliations) should read:

A. Mendas (*), H. Brek, B. Lakache

National Center of Spatial Techniques,

Arzew, POB 13, 31200 Oran, Algeria

e-mail: mendask@yahoo.fr