RYSTON		The company, which produces interesting diving lamp.
DAN		The Foundation provides indemnity in the event of a diving accident.
Aquablues		Diving club in Prague with pool containing salt water
MIKE		For information about Web sites, databases, etc of all kinds. Mike is the author of the code of the guestbook.
AWARE		The project is attempting to protect endangered animals
GRAFIKA.CZ		Information about the graphics of all kinds from all possible angles.
DIIT		Server on computers. It contains lots of useful information.
Strany potápěčské		A general source of information about diving, diving sites and technology.
PADI		A commercial organization that will easily into the world below the water.
CMAS		The oldest organization, bringing together representatives of underwater activity.