TY  - BOOK
AU  - Walton,Bernard
TI  - Time machine
SN  - 0563487747 
U1  - 550.22 23
PY  - 2004///
CY  - London
PB  - BBC Books
KW  - Earth sciences
KW  - Earth (Planet)
KW  - Time
N1  - Includes index
UR  - https://archive.org/details/timemachine0000walt
ER  -