ReAlSplice: A database on regulated alternative splicing. - Ines Liebich; Maik Christensen; Edgar Wingender (German Conference on Bioinformatics, 2001)

The integrated TRANSFAC system as a basis for modeling the architecture of gene regulatory networks. - Anatolij Potapov; Klaus Seidl; Maik Christensen; Volker Drewes; Frank Schacherer; Edgar Wingender (German Conference on Bioinformatics, 2001)

The Helmholtz Network for Bioinformatics: an integrative web portal for bioinformatics resources. - Torsten Crass; Iris Antes; Rico Basekow; Peer Bork; Christian Buning; Maik Christensen; Holger Claussen 002; Christian Ebeling; Peter Ernst; Valérie Gailus-Durner; Karl-Heinz Glatting; Rolf Gohla; et al. (Bioinform., 2004)