Torsten Fahle Rainer Feldmann Silvia Götz Sven Grothklags Burkhard Monien The Aircraft Sequencing Problem. 152-166 2003 conf/birthday/2003ottmann Computer Science in Perspective http://link.springer.de/link/service/series/0558/bibs/2598/25980152.htm db/conf/birthday/ottmann2003.html#FahleFGGM03