An analog multiplier using thyrite. - Ladis D. Kovach; William Comley (Trans. I R E Prof. Group Electron. Comput., 1954)

Nonlinear Transfer Functions with Thyrite. - Ladis D. Kovach; William Comley (IRE Trans. Electron. Comput., 1958)

A New, Solid-State, Nonlinear Analog Component. - Ladis D. Kovach; William Comley (IRE Trans. Electron. Comput., 1960)

The use of computers in analysis. - Walter J. Karplus; Ladis D. Kovach (AFIPS Spring Joint Computing Conference, 1962)

Analog & hybrid computers in education: a panel session. - Ladis D. Kovach (AFIPS Spring Joint Computing Conference, 1967)