@BOOK{ Book!D - 104004631,
AUTHOR = "Katz, William A",
TITLE = "Introduction to reference work",
LIBRARY= "کتابخانه مرکزی و مرکز اسناد دانشگاه اصفهان",
SUBJECT = "Libraries- Reference service  ►  Reference books",
URL = "/book/104004631/Introduction-to-reference-work/"}