Greg Gravenstreter Rami G. Melhem Donald M. Chiarulli Steven P. Levitan J. P. Teza The Partitioned Optical Passive Stars (POPS) topology. 4-10 1995 conf/ipps/1995 IPPS http://computer.org/proceedings/ipps/7074/70740004abs.htm db/conf/ipps/ipps1995.html#GravenstreterMCLT95