@inbook{inbook, title  = {{Approximate Methods for Analysing Nonlinear Vibrations}},

 url = {{}},

 year = {{2010}},

 month = {{1}},

 author = {{Wagg D and Neild S}},

 isbn = {{978-90-481-2836-5}},

 volume = {{170}},

 pages = {{119-171}},

 note = {{Accessed on 2024/09/19}}}