@conference {Wilson:1994,
	title = {{Backpropagation Learning for Systems with Discrete-Valued Functions}},
	booktitle = {Proceedings of the World Congress on Neural Networks},
	volume = {3},
	year = {1994},
	month = {June},
	pages = {332-339},
	address = {San Diego, CA},
	url = {http://www.stanford.edu/group/arl/cgi-bin/drupal/sites/default/files/public/publications/Wilson 94.pdf},
	author = {Edward Wilson}
}
