R. SaalDer Entwurf von Filtern mit Hilfe des Kataloges normierter Tiefpässe TelefunkenGMBH Backnang/Wuertt Western Germany 1963
3.
R. SaalE. UlbrichOn the design of filters by synthesisIRE Transactions on Circuit Theory vol CT-5 no 4 pp 284-327 December 1958
4.
5.
R.A. HertzAnalog simulation techniquesIEEE Spectrum vol 1 no 3 pp 221-30 March 1964
6.
S.D. BedrosianE.L. LukeH.N. PutschiOn the tabulation of insertion loss low-pass chain matrix coefficients and network elementsProceedings of the NEC vol 11 pp 697-7181955
7.
J. OttermanOn the loop and mode analysis approaches to simulation of electrical networksIRE Transactions on Electronic Computers vol EC-7 pp 199-206 September 1958