Prof. Ivan Zagorchev, D. Sc.
Deputy Director
Geological Institute, Bulgarian Academy of Sciences
Acad. G. Bonchev Street bldg. 24, 1113 Sofia
fax (00359-2) 724638 E-mail <a href="/cgi-bin/wa-jisc.exe?LOGON=A3%3Dind9912%26L%3DGEO-TECTONICS%26E%3D0%26P%3D84293%26B%3D--%253D%253D%253D%253D%253D%253D%253D%253D%253D%253D%253D%253D%253D%253D%253D%253D%253D%253D%253D%253D%253D_944217948%253D%253D_%26T%3Dtext%252Fplain%3B%2520charset%3Dus-ascii%26attachment%3Dq" target="_parent" >[log in to unmask]</a>