@Article{bp94, author = {R. Balducci and R. S. Pearlman}, title = {{E}fficient {E}xact {S}olution of the {R}ing {P}erception {P}roblem}, journal = {J. Chem. Inf. Comput. Sci.}, year = {1994}, volume = {34}, pages = {822-831}, }
