consulting editors, Lawrence M. Ross, Edward D. Lamperti ; authors, Michael Schuenke, Erik Schulte, Udo Schumacher ; in collaboration with, Jürgen Rude ; illustrations by Markus Voll, Karl WeskerThiemec2011
edited by Anne M. Gilroy, Brian R. MacPherson, Lawrence M. Ross ; based on the work of Michael Schuenke, Erik Schulte, Udo Schumacher ; consulting editors Jonas Broman, Anna Josephson ; illustrations by Markus Voll, Karl WeskerThiemec2009