TY  - GEN
AU  - Steel, Duncan
TI  - Rogue asteroids and doomsday comets: the search for the million megaton menace that threatens life on earth
SN  - 0471193380
U1  - 363.34 
PY  - 1995///
CY  - New York
PB  - John Wiley
KW  - Asteroids
KW  - Extinction
KW  - Impacts
ER  -