TY  - BOOK
AU  - Ferguson, Kitty
TI  - Prisons of light : black holes
SN  - 0521625718
AV  - QB843.B55F54 1996 
PB  - Cambridge University Press
KW  - Blackholes ( Astronomy )
KW  - QB
N1  - Bibliography : p. [203]-205; Includes index
ER  -