@BOOK{ Book!D - 90212436,
AUTHOR = " Shaun V. Ault.",
TITLE = "Understanding topology :",
LIBRARY= "مرکز و کتابخانه مطالعات اسلامی به زبان‌های اروپایی",
SUBJECT = "Topology.,Topology.",
URL = "/book/90212436/Understanding-topology/"}