Semi-preemptive routing on a line. - Dirk Räbiger (Electron. Notes Discret. Math., 2004)

Semi-präemptives Transportieren. - Dirk Räbiger (Verlag Dr. Hut, 2005)

Semi-preemptive routing on trees. - Sven Oliver Krumke; Dirk Räbiger; Rainer Schrader (Discret. Appl. Math., 2008)

Semi-preemptive routing on a linear and circular track. - Dirk Räbiger; Rainer Schrader (Discret. Optim., 2009)