@InCollection{Lee+etal09:convDBNAudio,
	title = "Unsupervised Feature Learning for Audio Classification using Convolutional Deep Belief Networks",
	author = "Honglak Lee and Yan Largman and Peter Pham and Andrew~Y. Ng",
	booktitle = "Advances in Neural Information Processing Systems 22",
	pages = "1096--1104",
	year = "2009"
}