TY  - BOOK
AU  - Khalique, Abdul
AU  - Khalique, Abdul
TI  - NAVBasics :  Watchkeeping & Electronic Navigation/ Abdul Khallique.    
SN  - 978185609491
AV  - VK555 . K5261 2011 
U1  - VK555 . K5261 2011 VK235 .B7354 2011 
PY  - 2011///
PB  - Edinburgh : Witherby Seamanship International Ltd
ER  -