[1] Norwegian Univ. Sci. Technol., Trndheim, Norway
[2] Technoguide as, Oslo, Norway
[3] Norwegian Univ. of Sci. and Technol., Trondheim, Norway
[4] SINTEF, Trondheim, Norway
[5] Dept. of Mathematics and Physics, Acad. of the Roy. Norwegian AF
[6] Purdue University
[7] Norwegian Institute of Technology, United Kingdom
[8] Saga Petroleum ASA
[9] Salford University, United Kingdom
[10] Eng. and Appl. Geophys. Department, Norwegian Univ. of Sci. and Technol.
[11] SINTEF and ResLab.