Multi-Modal References in Human-Computer Dialogue. - Jeannette G. Neal; Zuzana Krifka Dobes; Keith E. Bettinger; Jong S. Byoun (AAAI, 1988)

Automatic Segmentation of the Caudate Nucleus From Human Brain MR Images. - Yan Xia; Keith E. Bettinger; Lin Shen; Allan L. Reiss (IEEE Trans. Medical Imaging, 2007)