@BOOK{ Book!D - 101098304,
AUTHOR = "/ Gregory L. Lazarev",
TITLE = "Why prolog?",
LIBRARY= "کتابخانه دانشکدگان فنی 1 دانشگاه تهران",
SUBJECT = "Prolg(Computer program language),Logic programming",
URL = "/book/101098304/Why-prolog/"}