TY  - BOOK
AU  - Asimov,Isaac
TI  - The collapsing universe
SN  - 0802704867 :
AV  - QB843.B55 A84 1977
U1  - 523 
PY  - 1977///
CY  - New York
PB  - Walker
KW  - Black holes (Astronomy)
KW  - Astronomy
N1  - Includes index
UR  - http://www.archive.org/details/collapsinguniver00asim
UR  - http://www.openlibrary.org/books/OL4906110M
ER  -