@BOOK{ Book!D - 100990442,
AUTHOR = "/ John Stillwell.",
TITLE = "The four pillars of geometry",
LIBRARY= "كتابخانه پردیس علوم (دانشگاه تهران)",
SUBJECT = "Geometry, -- Textbooks,a03",
URL = "/book/100990442/The-four-pillars-of-geometry/"}