@book
{TN_libero_mab2,
author = {
McDougall, Christopher
},
title = {
Natural born heroes
the lost secrets of strenght and endurance
},
publisher = {Profile Books},
isbn = {9781846684562},
year = {2015},
address = {
London
},
url = {
http://slubdd.de/katalog?TN_libero_mab2
}
}