Detlef Prescher Remko Scha Khalil Sima'an Andreas Zollmann On the Statistical Consistency of DOP Estimators. 2003 conf/clin/2003 CLIN http://www.cnts.ua.ac.be/clin2003/proc/07Prescher.pdf db/conf/clin/clin2003.html#PrescherSSZ03