Shahram Latifi Nader Bagherzadeh Incomplete Star: An Incrementally Scalable Network Based on the Star Graph. 97-102 1994 5 IEEE Trans. Parallel Distrib. Syst. 1 http://computer.org/tpds/td1994/l0097abs.htm db/journals/tpds/tpds5.html#LatifiB94