Moaiyeri, M.H., Rahi, A., Sharifi, F. and Navi, K. 2019. Design and evaluation of energy-efficient carbon nanotube FET-based quaternary minimum and maximum circuits. Journal of Applied Research and Technology. 15, 3 (Jun. 2019). DOI:https://doi.org/10.1016/j.jart.2016.12.006.