abraCAdaBRI   http://www.cabri.net/abracadabri/WabraGene/abraGene.html

Dissection -- from MathWorld

Dudeney, Henry Ernest (1958). Amusements in mathematics.

Frederickson,Greg N (1997). Dissections : plane & fancy.

Frederickson,Greg N (2002). Hinged dissections : Swinging & twisting.

Geometric Dissections-Gavin Theobald

Howard Whitley Eves (1965). A survey of geometry.

Updates to Dissections Plane & Fancy, by Frederickson, Greg N.

Updates to Hinged dissections : Swinging & twisting, by Frederickson, Greg N.