Galia Angelova Ognian Kalaydjiev Walther von Hahn The Gain of Failures: Using Side-Effects of Anaphora Resolution for Term Consistency Checks. 1-13 http://link.springer.de/link/service/series/0558/bibs/1480/14800001.htm 1998 AIMSA db/conf/aimsa/aimsa1998.html#AngelovaKH98