William R. Hamburgen Deborah A. Wallach Marc A. Viredaz Lawrence S. Brakmo Carl A. Waldspurger Joel F. Bartlett Timothy Mann Keith I. Farkas Itsy: Stretching the Bounds of Mobile Computing. 28-36 2001 34 IEEE Computer 4 http://computer.org/computer/co2001/r4028abs.htm db/journals/computer/computer34.html#HamburgenWVBWBMF01