@BOOK{ Book!D - 93998481,
AUTHOR = "/ Kh. Arustamov",
TITLE = "Problems in descriptive geometry",
LIBRARY= "کتابخانه مرکزی و مرکز اسناد و انتشارات دانشگاه تبریز",
SUBJECT = "Geometry, descriptive - Problems, exercises etc",
URL = "/book/93998481/Problems-in-descriptive-geometry/"}