AirForce:10.1057/ivs.2010.12
AirForce:10.1057/jors.2010.119
AirForce:10.1057/jors.2011.107
AirForce:10.1057/jors.2012.83
AirForce:10.1057/jos.2015.1
AirForce:10.1057/palgrave.jors.2600716
AirForce:10.1057/palgrave.jors.2601035
AirForce:10.1057/palgrave.jors.2601867
AirForce:10.1057/palgrave.jors.2602101
AirForce:10.1057/palgrave.jors.2602176
AirForce:10.1057/palgrave.jors.2602617