VIPERdb: a relational database for structural virology. - Craig M. Shepherd; Ian A. Borelli; Gabriel Lander; Padmaja Natarajan; Vinay Siddavanahalli; Chandrajit L. Bajaj; John E. Johnson; Charles L. Brooks III; Vijay S. Reddy (Nucleic Acids Res., 2006)

VIPERdb2: an enhanced and web API enabled relational database for structural virology. - Mauricio Carrillo-Tripp; Craig M. Shepherd; Ian A. Borelli; Sangita Venkataraman; Gabriel Lander; Padmaja Natarajan; John E. Johnson; Charles L. Brooks III; Vijay S. Reddy (Nucleic Acids Res., 2009)