Cebollada Àngel. Dextre, Juan Carlos; Hughes, Mike i Bech, Lotte (2013). Cyclists & Cycling Around the World. Creating Liveable & Bikeable Cities. dag [Internet]. 2015 Jan. 30 [cited 2025 Oct. 18];61(1):186-8. Available from: https://ada-dag2.precarietat.net/article/view/v61-n1-cebollada