author = { Hassan, Samer AND Mihalcea, Rada },

title = { Learning to identify educational materials },

publisher = {Association for Computing Machinery (ACM)},

isbn = {1550-4875},

isbn = {1550-4883},

keywords = { Computational Mathematics , Computer Science (miscellaneous) },

year = {2011},

url = { http://slubdd.de/katalog?TN_libero_mab2 }