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著者: Harju, Jarmo, Heijenk, Geert, Langendörfer, Peter, Siris, Vasilios
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Techniques and Applications for Mobile Commerce

著者: Branki, Cherif, Cross, Brian, Díaz, Gregorio, Langendörfer, Peter, Laux, Fritz, Ortiz, Guadalupe, Randles, Martin, Taleb-Bendiab, A., Teuteberg, Frank, Unland, Rainer, Wanner, Gerhard
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