@BOOK{ Book!D - 100953833,
AUTHOR = "/ P.S. Gill",
TITLE = "A text book of engineering drawing",
LIBRARY= "کتابخانه مرکزی دانشکدگان کشاورزی و منابع طبیعی (دانشگاه تهران)",
SUBJECT = "Mechanical drawing.",
URL = "/book/100953833/A-text-book-of-engineering-drawing/"}