TY  - BOOK
AU  - Asimov,Isaac
TI  - Second foundation
T2  - Avon book
SN  - 0380008238
AV  - PS 3551.S5 S43.1964
PY  - 1964///
CY  - New York
PB  - Avon Books
KW  - Science fiction
KW  - Ciencia ficción
N1  - Sequel to: Foundation and empire
ER  -