TY  - BOOK
AU  - Harrington,Philip S.
TI  - Touring the universe through binoculars: a complete astronomer's guidebook 
T2  - The Wiley science editions
SN  - 0471513377
PY  - 1990///
CY  - New York
PB  - Wiley
N1  - Include bibliografia (p. 285-286) e indice
ER  -