Content-type: text/application/x-research-info-systems TY - JOUR AU - Ray, S C TI - The directional distance function and measurement of super-efficiency: an application to airlines data JA - J Oper Res Soc PY - 2007/03/28/online VL - 59 IS - 6 SP - 788 EP - 797 PB - Palgrave Macmillan Ltd SN - 0160-5682 UR - http://dx.doi.org/10.1057/palgrave.jors.2602392 ER -