Diatom taxonomy and ecology : from local discoveries to global impacts : Festschrift in honor of Prof. Dr. Horst Lange-Bertalot's 75th birthday / editors, Andrzej Witkowski, John P. Kociolek & Pierre Compère. - Witkowski, Andrzej, 1955-; Kociolek, John Patrick; Compère, P. (Nova Hedwigia. Beiheft, 2012)