• Gielen G, Eeckelaert T, Martens E and McConaghy T. (2007). Automated synthesis of complex analog circuits 2007 European Conference on Circuit Theory and Design (ECCTD 2007). 10.1109/ECCTD.2007.4529526. 978-1-4244-1341-6. (20-23).

    http://ieeexplore.ieee.org/document/4529526/