TOHIDI, M., Y. AMANI, M. AMIRPOUR, and S. KARAMZADEH. “A New High Speed, Area Efficient 7-2 Compressor for Fast Arithmetic Operations”. International Journal of Natural and Engineering Sciences, vol. 7, no. 2, June 2019, pp. 72-77, https://ijnes.org/index.php/ijnes/article/view/146.