“History of the Spanish Merchant Marine”: http://www.buques.org/
"NOAA" National Oceanic and Atmospheric Administration
Different Names For Hurricanes Around The World and Clases"Your Local Weather by Zip Code"
1. DIESEL ENGINE BUYER’S GUIDE – Maritime Reporter & Engineering News
2. DIESEL ENGINE TECHNOLOGY GUIDE - MarineNews
International Maritime Organization
"Código ISM"
"Port State Information eXchange (PSIX) System"
Ministry of Communications and Transportation - Mexico
Lloyd's Register
Nippon Kaiji Kyokai
Registro Italiano Navale
Det Norske Veritas
Korean Register of Shipping