Margaret H. Szymanski Paul M. Aoki Rebecca E. Grinter Amy Hurst James D. Thornton Allison Woodruff <i>Sotto Voce: </i> Facilitating Social Learning in a Historic House. 5-34 2008 17 Computer Supported Cooperative Work 1 http://dx.doi.org/10.1007/s10606-007-9067-y db/journals/cscw/cscw17.html#SzymanskiAGHTW08