@misc {IOPORT.70921420,
    author       = {Dames, Martin and Biletskiy, Yevgen},
    title        = {An extensible text extraction tool for learning objects},
    howpublished = {ICEC, 116-124 (2006).},
    year         = {2006},
    doi          = {10.1145/1151454.1151483},
    identifier   = {70921420},
}