@article{article, title  = {{Evaluation of output frequency responses of nonlinear systems under multiple inputs}},

 url = {{http://eprints.whiterose.ac.uk/797/ }},

 year = {{2000}},

 month = {{1}},

 author = {{Lang ZQ and Billings SA}},

 volume = {{47}},

 journal = {{IEEE T CIRCUITS-II}},

 issue = {{1}},

 pages = {{28-38}},

 note = {{Accessed on 2024/09/20}}}