Links:
[1] http://www.masine.sigma-com.net/
[2] http://www.samsvojmajstor.com/portal/forums/uradi-sam/ku%C4%87na-tehnika/sheme-programatora-za-ve%C5%A1-ma%C5%A1ine#comment-298121
[3] http://www.samsvojmajstor.com/portal/users/denca
[4] http://www.bihze.com/index.html
[5] http://www.samsvojmajstor.com/portal/forums/uradi-sam/ku%C4%87na-tehnika
http://www.bihze.com/index.html [4]