one interesting link

[nuncio_m]

Greetings,
There is one interesting link to pdf versions of some books from national academies press have a look at it
http://www.nap.edu/about/availpdf.phtml
cheers
nuncio

[koldunovn]

http://www.sailwx.info/shiptrack/researchships.phtml

Tracks of ships worldwide (including Research ones).