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Rules and interpretation of a card game in which rules are created by its players.

How to make both brain hemispheres work with 52 cards

Rules and interpretation of a card game in which rules are created by its players.

 
Graphs of sunrise/sunset and time of light for any place in the world.

Sunrise and sunset, all year long, anywhere

Graphs of sunrise/sunset and time of light for any place in the world.

 
History, development and advantages of the Ogg Vorbis audio format.

An advantageous alternative to proprietary audio formats

History, development and advantages of the Ogg Vorbis audio format.