TY  - BOOK
AU  - 
TI  - Practical astronomy with your calculator
SN  - 0521284112
PY  - 1988///
CY  - Cambridge
PB  - Cambridge University Press
KW  - Astronomy
KW  - Problems, exercises, etc
KW  - Calculating
KW  - machines
KW  - Calculators
N1  - Includes indexes
ER  -