1 “...Professor Tribelsky's accomplishments are highly appreciated by the international community...”

2

3 “...This Special Issue is dedicated to Professor Reinhard Schlickeiser on the occasion of his 70th...”

4 “...: A Themed Issue in Honour of Professor Vladimir Uversky on the Occasion of His 60th Birthday", is a...”

5 “...This reprint is dedicated to Professor Delfim F. M. Torres for his 50th birthday. Professor Delfim...”

6 “... to Cultural Heritage materials. We dedicate this Special Issue to the loving memory of Professor Mario Milazzo...”