@BOOK{ Book!D - 92833118,
AUTHOR = "/ P.D. D'Eath",
TITLE = "Black holes",
LIBRARY= "كتابخانه مركزی و مركز اسناد دانشگاه مازندران",
SUBJECT = "Black holes (Astronomy),Graviational fields,Gravitational radiation",
URL = "/book/92833118/Black-holes/"}