ne, Johns Hopkins, 2002 [Moll00] E. Möllerstedt and B. Bernhardsson, "Out of Control Because of Harmon- ics", In IEEE Control Systems Magazine, pp. 70-81, 2000 [Murd88] J. Murdock, "Qualitative Theory of Nonlinear Resonance by Averaging and Dynamical Systems Methods", Dynamics Reported (U. Kirchgraber and H. Walther), vol. 1, pp. 91-172, Wiley, 1988 BIBLIOGRAPHY [Nag75] L. Nagel, "SPICE2: A computer program to simulate semiconductor cir- cuits", Electron. Res. Lab., Univ. California at Berkeley, UCB/ERL M520, 1975. [Nar99] O. Narayan and J. Roychowdhury, "Multi-Time Simulation of Voltage- Controlled Oscillators", In Proceedings IEEE/ACM Design Automation Conference, Session 36, 1999 [Ngo96] E. Ngoya and R. Larcheveque, "Envelope transient analysis: a new method for the steady state analysis of microwave communication circuits and systems", In IEEE MTT Symposium Digest, pp. 1365-1368, June 1996 [Odab97] A. Odabasioglu, M. Celik and L.T. Pileggi, "PRIMA: Passive Reduced-Order Interconnect Macromodeling Algorithm", In Proceedings IEEE/ACM International Conference on Computer-Aided Design, Ses- sion 1D, 1997 [Perr02] M.H. Perrot, "Fast and Accurate Behavioral Simulation of Fractional-N Frequency Synthesizers and other PLL/DLL Circuits", In Proceedings IEEE/ACM Design Automation Conference, Session 33, June 2002 [Phil98] J. Philips, "Model Reduction of Time-Varying Linear systems using Approximate Multipoint Krylov-subspace Projectors", In Proceedings IEEE/ACM International Conference on Computer-Aided Design, pp. 96- 102, November 1998 [Pop34] K. Popper, Logik Der Forschung (The Logic of Scientific Discovery), Springer, 1934 [Proa01] J.G. Proakis, Digital Communications, McGraw-Hill, 2001 [Rand03] Rand, Lecture Notes Nonliner Vibrations, http://www.tam.cornell.edu/randdocs/ 2003 [Risk89] H. Risken, The Fokker-Planck Equation, Springer-Verlag, 1989 [Riz96] V. Rizzoli, A. Neri and F. Mastri, "A modulation-oriented piecewise harmonic-balance technique suitable for transient analysis and digitally modulated signals", In 