00262nam a2200109Ia 4500008004100000041000800041082001200049100002000061245002300081260002900104300001900133241015s9999    xx            000 0 und d  aeng  a332 RUB  aRubini, Agustin  aFintech In A Flash  bDe GruyteraBostonc2019  a231;. P. 24 cm