Jan Magott Pawel Skrobanek A Method of Analysis of Fault Trees with Time Dependencies. 176-186 http://link.springer.de/link/service/series/0558/bibs/1943/19430176.htm 2000 conf/safecomp/2000 SAFECOMP db/conf/safecomp/safecomp2000.html#MagottS00