Access to parks and physical activity: An eight country comparison

Jasper Schipperijn, Ester Cerin, Marc Adams, Rodrigo Reis, Graham Smith, Kelli Cain, Lars B. Christiansen, Delfien van Dyck, Christopher Gidlow, Lawrence D. Frank, Josef Mitáš, Michael Pratt, Deborah Salvo, Grant Schofield, James F. Sallis