1.     Title:  Optically sensing tongue gestures for computer input
Author(s): T. Scott Saponas, Daniel Kelly, Babak A. Parviz, Desney S. Tan
Source:    Symposium on User Interface Software and Technology archive
Proceedings of the 22nd annual ACM symposium on User interface software and technology. Victoria, BC, Canada
Pages: 177-180, Year of Publication: 2009. ISBN:978-1-60558-745-5

2.     Title:  A portable wireless eye movement-controlled Human-Computer Interface for the disabled    
Author(s): Xiaoxiang Zheng  Xin Li  Jun Liu  Weidong Chen  Yaoyao Hao
Complex Medical Engineering, 2009. CME. ICME International Conference on
Publication Date: 9-11 April 2009
On page(s): 1 - 5
Location: Tempe, AZ
Print ISBN: 978-1-4244-3315-5
INSPEC Accession Number: 10615813
Digital Object Identifier: 10.1109/ICCME.2009.4906647
Current Version Published: 02 May 2009

3.     Title:  Development of Mouthpiece Type Remote Controller for Disability Persons
Author(s): Shojiro George TERASHIMA, Eiichi SATHO, Hajime MURAKAMI, Kazuo KOTAKE, Kazunori UEKI and Satoshi SASAKI
http://www.niit.ac.jp/lib/contents/kiyo/genko/14/2.pdf

4.     Title:  Supporting Everyday Activities through Always-Available Mobile Computing
Author(s): Timothy Scott Saponas,  
University of Washington,  PhD dissertation
http://74.125.155.132/scholar?q=cache:75tJ2fx9XisJ:scholar.google.com/&hl=en&as_sdt=2000

5.     Title:  Expressing Emotions through Vibration for Perception and Control
Author(s): Shafiq ur Réhman
Umeå University, Sweden,  PhD dissertation
http://umu.diva-portal.org/smash/get/diva2:308457/FULLTEXT01