Nelson F. Granados Alok Gupta Robert J. Kauffman IT-enabled transparent electronic markets: the case of the air travel industry. 65-91 2007 5 Inf. Syst. E-Business Management 1 http://dx.doi.org/10.1007/s10257-006-0038-5 db/journals/isem/isem5.html#GranadosGK07