Person Sun, Ruichen Bezüge im Wissensnetz Variante Namensentität der Person (2) GND-Personen Ruichen, Sun Sun, Ruichen Richard Bevorzugte Namensentität der Person (1) GND-Personen Sun, Ruichen Affiliation (1) GND-Personen University of Pittsburgh. Department of Industrial Engineering, Systems Management Engineering and Operations Research