RT Article T1 Cooperation without culture? The null effect of generalized trust on intentional homicide: A cross-national panel analysis, 1995-2009 JF PLOS ONE VO 8 IS 3 A1 Robbins, Blaine G. LA English YR 2013 UL https://krimdok.uni-tuebingen.de/Record/1912492830 DO 10.1371/journal.pone.0059511