An automatic abstracting program employing stylo-statistical techniques and hierarchical data indexing. - D. S. Himmelman; John T. Chu (ACM National Meeting, 1961)

A measurement of alertness based on electroencephalographic time series analysis. - D. S. Himmelman; John T. Chu (ACM National Meeting, 1961)

Natural-language processing for computer-supported instruction. - D. S. Himmelman (Intell., 2001)