TY  - BOOK
AU  - Coles, Peter
TI  - Is the universe open or closed?: the density of matter in the universe
T2  - Cambridge lecture notes in physics; 7
SN  - 0-521-56689-4
PY  - 1997///
CY  - Cambridge
PB  - Cambridge University Press
KW  - Astronomy
KW  - Cosmology
KW  - Universe
ER  -