El-Tawil, Ghassan2023-06-072023-06-071987https://unbscholar.lib.unb.ca/handle/1882/36992electronicen-CAhttp://purl.org/coar/access_right/c_16ecResponse of an oscillator containing a cubic plus quadratic non-linearity in the spring force subjected to random narrow band excitationsenior reportG., DaviesEngineering