In article <798A0465-0CC8-473B-A6C1-63AF39A2319E@xxxxxxxxx> you wrote: > Dear all, > > Can anyone share this old paper? > > E.C.Levy, "Complex-curve fitting," IRE Transactions on Automatic > Control, vol. 4? no. 3, pp. 37-44, 1959. Do you have the cite right? For that issue on IEEExplore I find: Signal stabilization of self-oscillating systems Oldenburger, R.; Nakada, T. Page(s): 37- 37 A root-locus method for the analysis of nonlinear servomechanisms Abzug, M. Page(s): 38- 44 http://ieeexplore.ieee.org/xpl/RecentIssue.jsp?punumber=8163 (I'm afraid I can't share an electronic copy anyway as I'm on a university subscription, and am not likely to be passing the library soon to make a paper copy) Theo ------------------------------------------------------------------ To unsubscribe from si-list: si-list-request@xxxxxxxxxxxxx with 'unsubscribe' in the Subject field or to administer your membership from a web page, go to: //www.freelists.org/webpage/si-list For help: si-list-request@xxxxxxxxxxxxx with 'help' in the Subject field List technical documents are available at: http://www.si-list.net List archives are viewable at: //www.freelists.org/archives/si-list or at our remote archives: http://groups.yahoo.com/group/si-list/messages Old (prior to June 6, 2001) list archives are viewable at: http://www.qsl.net/wb6tpu