@inproceedings{Placeway93,
	title = {The estimation of powerful language models from small and large
  corpora},
	author = {Paul Placeway and Richard Schwartz and Pascale Fung and Long Nguyen},
	booktitle = {IEEE ICASSP-93},
	organization = {IEEE},
	pages = {33--36},
	volume = {2},
	year = {1993},
	biburl = {http://www.bibsonomy.org/bibtex/21f1df5b591a7d9990a2d158322a32278/nlp},
	keywords = {2000 book nlp }
}

@inproceedings{Ngu99,
	title = {Single-Tree Method for Grammar-Directed Search},
	author = {Long Nguyen and Richard Schwartz},
	booktitle = {IEEE ICASSP-99},
	organization = {IEEE},
	pages = {613--616},
	year = {1999},
	biburl = {http://www.bibsonomy.org/bibtex/23537f6021260ec534164b5cca3f27bc2/nlp},
	keywords = {2000 book nlp }
}