year of publication | ISBN | author(s) | title |
---|---|---|---|
2007 | 978-0-9796179-0-4 | Anita Boser | Relieve Stiffness and Feel Young Again with Undulation |
2008 | 978-0-9796179-1-1 | '' | Undulation Exercises |
2016 | 978-0-9796179-4-2 | '' | Undulation: Relieve Stiffness and Feel Young |