This communiqué is intended for presenting authors of all talks or posters at the 6th interdisciplinary ALMA conference & the 2nd CrysAC workshop in Brno. We would be grateful for the full texts of your contributions before June 30, 2017. Manuscripts should conform to the GUIDELINES FOR AUTHORS of articles in ACTA ARTIS ACADEMICA proceedings. You can download these guidelines here
. If you are interested to contribute to the AAA 2017 proceedings and could not for any serious reasons meet the deadline, please, contact us as soon as possible.