From secondary structure to three-dimensional structure: Improved dihedral angle probability distribution function for use with energy searches for native structures of polypeptides and proteins. - Betty Cheng; Akbar Nayeem; Harold A. Scheraga (J. Comput. Chem., 1996)

BioSim–a biomedical character-based problem solving environment. - Yang Cai 002; Ingo Snel; Betty Cheng; B. Suman Bharathi; Clementine Klein; Judith Klein-Seetharaman (Future Gener. Comput. Syst., 2005)