Hans-Jürgen Herpel, P. Windirsch, Manfred Glesner, J. Fuhrer, J. Busshardt. A VLSI implementation of a state variable filter algorithm. In First Great Lakes Symposium on VLSI, 1991, Kalamazoo, MI, USA, March 1-2, 1991. pages 138-143, IEEE, 1991. [doi]
Abstract is missing.