Patricia Borensztejn Cristina Barrado Jesús Labarta Influence of Variable Time Operations in Static Instruction Scheduling. 213-216 1999 conf/europar/1999 Euro-Par http://link.springer.de/link/service/series/0558/bibs/1685/16850213.htm db/conf/europar/europar99.html#BorensztejnBL99