Basics informations about turbine engines

Hi,

Few links to web sites which provide usefull informations about turbine engines theory:

http://www.ueet.nasa.gov/Engines101.html#types
http://www.thaitechnics.com/engine/engine_type.html
http://travel.howstuffworks.com/turbine.htm
http://www.grc.nasa.gov/WWW/K-12/airplane/shortp.html
http://home6.swipnet.se/~w-65189/turbine_engines/types_of_turbine_engines.htm
http://www.aviation-history.com/engines/turbojet.htm

Regards
Fernando