This page needs to be proofread.
ФОНДАЦИЯ МАНФРЕД ВЬОРНЕР 
MANFRED WÖRNER FOUNDATION
ACKNOWLEDGEMENTS
Published
with the kind support
of
National Museum of History in Sofia
Bobokov Bros. Foundation
Science and High Technologies Foundation
Nikolai Gigov
Rumen Ivanov
Stefan Lazarov
Petar Mandzhukov
Kancho Stoychev
