* {{cite book |first=Steven H. |last=Strogatz |title=Nonlinear Dynamics and Chaos: With Applications to Physics, Biology, Chemistry, and Engineering |year=1994 |publisher=Addison Wesley |isbn=978-0-7382-0453-6 |authorlink=Steven Strogatz |ref=harv |url-access=registration |url=https://archive.org/details/nonlineardynamic00stro }} | * {{cite book |first=Steven H. |last=Strogatz |title=Nonlinear Dynamics and Chaos: With Applications to Physics, Biology, Chemistry, and Engineering |year=1994 |publisher=Addison Wesley |isbn=978-0-7382-0453-6 |authorlink=Steven Strogatz |ref=harv |url-access=registration |url=https://archive.org/details/nonlineardynamic00stro }} |