TY  - BOOK
PY  - 2003
DA  - 2003//
TI  - Estonian archipelago to St. Petersburg: BSB4 format ; features: digital charts, Offshore Navigator Lite, software for real-time GPS tracking
T3  - Maptech digital charts BALTCD 4
ET  - Ed. 4.0
PB  - Maptech
CY  - Amesbury, Mass.
LA  - English
N1  - Maptech
ID  - 468499644
ER  -