TY  - BOOK
AU  - Vogt,Gregory
TI  - Halley's comet: what we've learned
T2  - A First book
SN  - 0531103048 (lib. bdg.)
AV  - QB723.H2 V64 1987
U1  - 523.6/4 19
PY  - 1987///
CY  - New York
PB  - Franklin  Watts
KW  - Comets
KW  - Halley's comet
KW  - Juvenile literature
N1  - Includes index; Bibliography: p. 91-92
N2  - Describes the discovery of Halley's comet and the research carried out around the world when the comet returned in 1986
ER  -