Open Access
Editorial
Festschrift on the occasion of Ulrike Feudel's 60th birthday
Published online: 21 June 2017
DOI: 10.1140/epjst/e2017-70084-6
Jan A. Freund, Ksenia Guseva and Celso Grebogi (Guest editors)
Dear Isabelle, dear Ms. Lehr,
We want to express our sincere thanks to you for your outstanding work perfectly in time.