@BOOK{ Book!D - 91704423,
AUTHOR = "Becker, Robert E.",
TITLE = "A Practical guide to rafter calculations",
LIBRARY= "کتابخانه مرکزی دانشگاه صنعتی امیرکبیر",
SUBJECT = " Roofs - Tables  ",
URL = "/book/91704423/A-Practical-guide-to-rafter-calculations/"}