P. I. Jennings S. L. Hurst A. McDonald A Highly Routable ULM Gate Array and Its Automated Customizaton. 27-40 1984 3 IEEE Trans. on CAD of Integrated Circuits and Systems 1 http://ieeexplore.ieee.org/xpls/abs_all.jsp?isnumber=28427&arnumber=1270054&count=14&index=4 db/journals/tcad/tcad3.html#JenningsHM84