TY  - BOOK
AU  - Ferguson, Kitty
TI  - Prisons of light : black holes
SN  - 9780521495189
U1  - 523.8875 FER 
PY  - 1996///
CY  - Cambridge
PB  - Cambridge University Press
KW  - Black holes (Astronomy)
N1  - Includes bibliographical references and index
ER  -