TY - CHAP T1 - Appendix: Translation of Sections from Duffing's Original Book T2 - The Duffing Equation PY - 2011/03/25 AU - Worden K AU - Worden H ED - DO - DOI: 10.1002/9780470977859.app1 PB - John Wiley & Sons, Ltd SN - 9780470715499 SP - 323 EP - 354 Y2 - 2024/12/22 ER -