@BOOK{ Book!D - 101960353,
AUTHOR = "/ Isaac Asimov",
TITLE = " Earth: our crowded spaceship",
LIBRARY= "سازمان اسناد و كتابخانه ملی جمهوری اسلامی ایران",
SUBJECT = "",
URL = "/book/101960353/Earth-our-crowded-spaceship/"}