The contents of our website are copyrighted and their rights are reserved. You should take for granted that all you observe or read on this site or an additional web page owned or operated by our company is copyrighted, unless otherwise indicated. The data must not be used without the on paper permission of the group.

Anybody with access to the internet could sign for our journal free of charge. By subscribing to the periodical, readers consent to acknowledge equally authors and the bulletin for each usage they make of material publicized on the internet site. Some documents - including image files, sound files, cartographic, textual, or electronic materials - existing in our databases can be copyrighted. Please pay attention that it is your duty to identify the copyright owner and to get consent previous to using this material in any mode.

Symbols, photos and any different graphical images should not be used or reproduced lacking authorization except if it is explicitly noted in the source document. In case you have a comment on this web site or would want to ask for consent to use any content or data from our website kindly contact us.