TY  - GEN
TY  - GEN
T1  - Navigators in the 1490s
JF  - United States Naval Institute proceedings
VO  - 118
IS  - 12
SP  - 39
OP  - 43
A1  - Castleman, Bruce A.
LA  - eng
YR  - 1992
UL  - https://kansalliskirjasto.finna.fi/Record/arto.014243310
NO  - There were some great 15th century navigators: the Portuguese, backed by a large hydrographic establishment, and the Arabs, heirs to centuries of tradition. ;But all things considered, Christopher Columbus - born in Genoa and sailing for Spain - was first among equals.
KW  - navigointi
KW  - 1400-luku
KW  - historia
ER  -