@Article{ BRAÑAS_Pereda_Rodriguez-Lara_Sanchez:1-10,

author = { PABLO BRAÑAS GARZA and Maria Pereda and Ismael Rodriguez-Lara and Angel Sanchez } ,

title = { The emergence of altruism as a social norm },

journal = { Scientific Reports },

year = { 2017 },

volume = { 7 },

pages = { 1-10 },

}