| Dr. Doncho Karastanev
Associate Professor Ph.D. Address: Geological Institute; Acad.G.Bonchev Str.bl.24; 1113 Sofia,Bulgaria Phone: (+ 359 2) 8723 563 ; (+359 2 ) 979 3618 ; Fax: (+359 2)8724 638 ; Date and Place of birth: 9 August 1959, Plovdiv, Bulgaria |