edited by Jocelyn Arem in collaboration with Caffe Lena edited by Jean-Paul Ameline in collaboration with Yan Schubert. [edited by Friedrich Meschede in collaboration with Yves Gevaert] edited by Reimar Schefold in collaboration with Steven G. Alpert compiled by Roman Zieglgansberger in collaboration with Vera Klewitz edited by Bernard Blistene ; in collaboration with Annalisa Rimmaudo. edited by Francesco Paolo Campione;in collaboration with Moira Luraschi edited by Florian Matzner in Cooperation with Erna Hecey edited by Jill Lloyd and Ingrid Pfeiffer in collaboration with Raymond Coffer edited by Jens Neubert and Jens Toivakainen in collaboration with Walter Feilchenfeldt