Petya Trifonova

Geophysical Institute, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria
|
Geophysical Institute, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria
|
Geophysical Institute, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria
|
Dept. of Applied Geophysics, University of Mining and Geology “St. Iv. Rilsky”, Sofia, Bulgaria

Volume 39 1-2 September 2010