1. Nonlinear Oscillations;Nayfeh,1979
2. Response of nonlinear mechanical systems to random excitation;Roberts;Shock and Vibration Digest,1981
3. Response of nonlinear mechanical systems to random excitation;roberts;Shock and Vibration Digest,1981
4. Response of a hard spring oscillator to narrow band random excitation;Nandlall;Bsc. Honours Thesis, University of New Brunswick,1983
5. Non-linear resonance in strings under narrow band random excitation;Richard;Journal of Sound and Vibration,1983