@BOOK{ Book!D - 90101480,
AUTHOR = " by Imre Ruzsa.",
TITLE = "Modal Logic with Descriptions",
LIBRARY= "مرکز و کتابخانه مطالعات اسلامی به زبان‌های اروپایی",
SUBJECT = "Logic.,Philosophy (General)",
URL = "/book/90101480/Modal-Logic-with-Descriptions/"}