others: http://www.physics.ohio-state.edu/~ntg/780/gsl_examples/qagiu_test.cpp http://www.oodesign.com/ http://cs.ecs.baylor.edu/~donahoo/practical/CSockets/practical/PracticalSocket.cpp http://www.boost.org/doc/libs/1_52_0/doc/html/thread.html http://codewrangler.home.comcast.net/~codewrangler/tech_info/patterns_code.html