Redrawn after a draft of:
              European Group for the Great Seismic Profiles^(*) (1978).
              Summary report of the meeting in Villach (May 20, 1978). 

                  (Italian DSS land survey 1978: preliminary program meeting).

           (*)
             Aric K., Giese P., Miller H., Mueller St., Morelli C., Nicolich R., Scotti A., Guerra I., Scarascia S., Miklich.