TY  - BOOK
AU  - Torrechilla, Lauro S.
TI  - Electronic navigation 2: including RADAR and ARPA 
SN  - 9710306030
AV  - FIL VK 560 T67 2003
PY  - 2003///
CY  - Pasig City
PB  - Philippine Foundation for Maritime Teaching Aids, Inc. and the Authors
ER  -