TY  - BOOK
AU  - Naber, Gregodry L
TI  - Spacetime and singularities an introduction
SN  - 0 521 33327 X
U1  - 530.11 
PY  - 1990///
CY  - Cambrige
PB  - Cambrige University Press
KW  - General relativity
KW  - Singularities
KW  - Space and time
N1  - Includes index
ER  -