Jeffrey M. Bradshaw Paul J. Feltovich Matthew Johnson Maggie R. Breedy Larry Bunch Thomas C. Eskridge Hyuckchul Jung James Lott Andrzej Uszok Jurriaan van Diggelen From Tools to Teammates: Joint Activity in Human-Agent-Robot Teams. 935-944 2009 HCI (10) http://dx.doi.org/10.1007/978-3-642-02806-9_107 conf/hci/2009-10 db/conf/hci/hci2009-10.html#BradshawFJBBEJLUD09