TY  - BOOK
AU  - Clard, David H.
AU  - Clark, David H.
AU  - Stephenson, Richard F.
TI  - The historical supernovae
U1  - 523.8446 
PY  - 1977///
CY  - New York
PB  - Pergamon 
KW  - Specific Celestial Bodies
ER  -