TY  - BOOK
AU  - Ardley,Neil
AU  - Mathews,Robert
TI  - The heavens / 
T2  - The world book encyclopedia of science
SN  - 071663192X
U1  - 520 
PY  - 1987///, 1989
CY  - Chicago
PB  - World Book, 
KW  - Astronomy
KW  - Solar system
KW  - Stars
KW  - Encyclopaedias
ER  -