Setting up a large set of protein-ligand PDB complexes for the development and validation of knowledge-based docking algorithms.
Diago LA, Morell P, Aguilera L, Moreno E, BMC Bioinformatics, 2007 Aug 25 - link

Geometric and chemical patterns of interaction in protein--ligand complexes and their application in docking.
Moreno E, Leon K, Proteins, 2002 Apr 1 - link