S. Mazahir, M. Ayub, O. Hasan, M. Shafique:
"Probabilistic Error Analysis of Approximate Adders and Multipliers";
in: "Approximate Circuits: Methodologies and CAD", Springer International Publishing, Switzerland, 2019, ISBN: 978-3-319-99321-8, 99 - 120.
http://dx.doi.org/10.1007/978-3-319-99322-5_5