1. Application of Geophysical Prospecting in Archaeology. Tumulus of Dion Area;Athanassiadis,1985
2. Effect topographique en prospection electrique;Cecchini;Geophys. Prospect.,1980
3. The comparison of sounding results and their interpretation in the absence of borehole control;Habberjam;Geoexploration,1976
4. Apparent Resistivity Observations and the Use of the Square Array Technique;Habberjam,1979
5. Etudes geophysiques d'une necropole Thrace, sous tumulus en Bulgarie du Nord-Est;Katevski,1984