TY  - BOOK
AU  - Darling,David
TI  - Deep time
SN  - 0593018680
U1  - 115 
PY  - 1989///
CY  - London
PB  - Bantam Press
KW  - Astronomy
KW  - Space time
KW  - Time study
N1  - Bibliography: p.191-192
ER  -