Cite
APA Citation
Zheng, Z., Dai, H., Tang, M., & Chen, X. (Eds.) (2020). Blockchain and trustworthy systems : first International Conference, BlockSys 2019, Guangzhou, China, December 7-8, 2019, Proceedings. Singapore : Springer. http://access.bl.uk/ark:/81055/vdc_100096693001.0x000001