SPIDAC: specimen input to digital automatic computer. - Robert S. Ledley; H. K. Huang; Thomas J. Golab; Yeshwant G. Kulkarni; Gerard Pence; Louis S. Rotolo (AFIPS National Computer Conference, 1973)

TEXAC/PICTOL: A Texture Analysis Computer and its special purpose language. - Robert S. Ledley; Yeshwant G. Kulkarni; Chan M. Park; Menfai R. Shiu; Louis S. Rotolo (ACM Annual Conference (2), 1978)