for this MA final Project:
thanks to Olia Lialina, Helmut Draxler and Stephan Gregory
.. for support in technical issues to Rainer Mariefka, Dragan Espenschied, Peter Uetrecht and especially to Hye-Yoon Jung and Robert Duda
for advice in language tand translations James J.Casale and Soraja Helac,
and for great friendship Yi Wen Xia, Hye-Yoon Jung,
Dzermanina Custovic and Hyun-Joo Min.