TY  - BOOK
AU  - Snider, Duke
TI  - POLAR SHIP OPERATIONS :  A PRACTICAL GUIDE    
SN  - 9781906915568
AV  - VK1299 .S672 2012 
PY  - 2012///
PB  - The Nautical Institute
KW  - Ships -- Safety measures.Polar regions
ER  -