@article {IOPORT.50104515,
    author       = {Ramanathan, Usha and Muyldermans, Luc},
    title        = {Identifying the underlying structure of demand during promotions: A structural equation modelling approach},
    year         = {2011},
    journal      = {Expert Syst. Appl.},
    volume       = {38},
    number       = {5},
    pages        = {5544-5552},
    doi          = {10.1016/j.eswa.2010.10.082},
    identifier   = {50104515},
}