TY  - BOOK
AU  - Harrison, Edward
TI  - Darkness at night: a riddle of the universe
SN  - 0674192710
PY  - 1987///
CY  - London
PB  - Harvard University Press
KW  - ASTRONOMY-History
KW  - COSMOLOGY-History
KW  - ASTROPHYSICS-History
N1  - Index included
ER  -