The Palgrave Handbook of Ageing and Physical Activity Promotion - Nyman, Samuel R.; Nyman, Samuel R.; Barker, Anna; Barker, Anna; Haines, Terry; Haines, Terry; Horton, Khim; Horton, Khim; Musselwhite, Charles; Musselwhite, Charles; Peeters, Geeske; Peeters, Geeske; et al. (Springer International Publishing : Imprint: Palgrave Macmillan, 2018)