@BOOK{ Book!D - 103055169,
AUTHOR = "/ Marcel Berger ... [et al.] ",
TITLE = "Problems in geometry",
LIBRARY= "کتابخانه مرکزی و مرکز اسناد دانشگاه کردستان",
SUBJECT = "Geometry- Problems, exercises, etc",
URL = "/book/103055169/Problems-in-geometry/"}