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"Micropayment schemes with ability to return changes."
Ching-Nung Yang et al. (2009)
- Ching-Nung Yang, Chih-Cheng Wu, Chih-Yang Chiu, Shin-Yan Chiou, Wen-Chiuan Liao:
Micropayment schemes with ability to return changes. iiWAS 2009: 356-363
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