@article{EggertGarnefeldSteinhoff2014,
    author = {Eggert, Andreas and Garnefeld, Ina and Steinhoff, Lena},
    title = {How Profound Is the Allure of Endowed Status in Hierarchical Loyalty Programs?},
    year = {2014},
    journal = {Customer & Service Systems},
    volume = {1},
    number = {1},
    pages = {33-38},
    doi = {10.5445/KSP/1000038784/04}
}