I just found a labyrinth of generative material that may lead to some new discoveries for you. And btw I am interested in this subject too, which is how I found this post and this link you might enjoy... http://www.essl.at/works.html#web
ps.. i found it through this page which has some interesting interview questions and answers to help guide you as well http://www.essl.at/bibliogr/generative-music.html