K. Hart, Arie Slob: Integrated Injection Logic: A New Approach to LSI. In: IEEE Journal of Solid-State Circuits. 7. Jahrgang, Nr.5, 1972, S.346–351, doi:10.1109/JSSC.1972.1052891.
Siegfried K. Wiedmann, Horst H. Berger: Merged-transistor logic (MTL)-a low-cost bipolar logic concept. In: IEEE Journal of Solid-State Circuits. 7. Jahrgang, Nr.5, 1972, S.340–346, doi:10.1109/JSSC.1972.1052890.