Kiril Simov Petya Osenova Milena Slavcheva Sia Kolkovska Elisaveta Balabanova Dimitar Doikoff Krassimira Ivanova Alexander Simov Milen Kouylekov Building a Linguistically Interpreted Corpus of Bulgarian: the BulTreeBank. 2002 LREC http://www.lrec-conf.org/proceedings/lrec2002/pdf/70.pdf conf/lrec/2002 db/conf/lrec/lrec2002.html#SimovOSKBDISK02