TY  - BOOK
TI  - ECDIS: Passage planning and watchkeeping
SN  - 978-1-85609-816-8
PY  - 2019///
CY  - Scottland, UK
PB  - Witherbys Publishing Group ltd
KW  - Merchant mariners
KW  - watch duty
KW  - sears
N1  - Includes references and index
ER  -