@BOOK{ Book!D - 94051773,
AUTHOR = "/ [by] Laurence W. Fredrick [and] Robert H. Baker",
TITLE = "An introduction to astronom",
LIBRARY= "كتابخانه مركزی و مركز اسناد دانشگاه مازندران",
SUBJECT = "Astronomy",
URL = "/book/94051773/An-introduction-to-astronom/"}