Friedrich Ackermann Grit Herrmann Franz Kummert Stefan Posch Gerhard Sagerer Dietmar Schomburg Protein Docking: Combining Symbolic Descriptions of Molecular Surfaces and Grid-Based Scoring Functions. 3-11 1995 conf/ismb/1995 ISMB db/conf/ismb/ismb1995.html#AckermannHKPSS95