@articleGries_Redlin_2019, title=Pirates – The Young and the Jobless: The Effect of Youth Bulges and Youth Labor Market Integration on Maritime Piracy, volume=30, DOI=10.1080/10242694.2017.1333797, number=3, journal=Defence and Peace Economics, publisher=Informa UK Limited, author=Gries, Thomas and Redlin, Margarete, year=2019, pages=309–323 
LibreCat: /record/2727
DOI: 10.1080/10242694.2017.1333797

@articleDe Jaegher_Hoyer_2014, title=Collective action and the common enemy effect, volume=27, DOI=10.1080/10242694.2014.925676, number=5, journal=Defence and Peace Economics, publisher=Informa UK Limited, author=De Jaegher, Kris and Hoyer, Britta, year=2014, pages=644–664 
LibreCat: /record/1923
DOI: 10.1080/10242694.2014.925676