%0 Generic %C New York : %D c2004. %E Duchowski, Andrew T. %E Vertegaal, Roel. %E Spencer, Stephen N. %I Association for Computing Machinery, %@ 1581138253 (pbk.) %T Proceedings, ETRA 2004, Eye Tracking Research & Applications Symposium San Antonio, Texas, March 22-24, 2004 / %U http://SK8ES4MC2L.search.serialssolutions.com/?sid=sersol&SS_jc=TC0000752923&title=Proceedings%2C%20ETRA%202004%2C%20Eye%20Tracking%20Research%20%26%20Applications%20Symposium%20%3A%20San%20Antonio%2C%20Texas%2C%20March%2022-24%2C%202004