@article{ Solr-1474546757, title = {Terrorism / 133 The drone wars of the 21st century : costs and benefits}, journal = {Terrorism documents of international and local control}, address = {Oxford u.a.}, publisher = {Oxford Univ. Press}, year = {2014}, url = {https://swbplus.bsz-bw.de/bsz404546757inh.htm} }