author = { Webb, Elizabeth AND Netuveli, Gopalakrishnan AND Millett, Christopher },

title = { Free bus passes, use of public transport and obesity among older people in England },

publisher = {BMJ},

isbn = {0143-005X},

isbn = {1470-2738},

year = {2012},

url = { http://slubdd.de/katalog?TN_libero_mab2 }