M/G/1 retrial queueing systems with two types of calls and finite capacity. - Bong Dae Choi; Ki Bong Choi; Yong Wan Lee (Queueing Syst. Theory Appl., 1995)

A Markov modulated fluid queueing system with strict priority. - Bong Dae Choi; Ki Bong Choi (Telecommun. Syst., 1998)