SMART 5: domains in the context of genomes and networks. - Ivica Letunic; Richard R. Copley; Birgit Pils; Stefan Pinkert; Jörg Schultz; Peer Bork (Nucleic Acids Res., 2006)

Protein Interaction Networks - More Than Mere Modules. - Stefan Pinkert; Jörg Schultz; Jörg Reichardt (PLoS Comput. Biol., 2010)