CX, an algorithm that identifies protruding atoms in proteins. - Alessandro Pintar; Oliviero Carugo; Sándor Pongor (Bioinform., 2002)

DPX: for the analysis of the protein core. - Alessandro Pintar; Oliviero Carugo; Sándor Pongor (Bioinform., 2003)

CX, DPX and PRIDE: WWW servers for the analysis and comparison of protein 3D structures. - Kristian Vlahovicek; Alessandro Pintar; Laavanya Parthasarathi; Oliviero Carugo; Sándor Pongor (Nucleic Acids Res., 2005)