E-print:https://arxiv.org/abs/2009.04824
E-print: https://arxiv.org/abs/2006.08469
E-print: https://arxiv.org/abs/1901.03691
E-print: https://papers.ssrn.com/sol3/papers.cfm?abstract_id=2742730
E-print: https://doi.org/10.1051/proc/201759056
E-print: https://arxiv.org/abs/1704.02638
E-print: http://arxiv.org/abs/1508.00275v2
E-print: http://arxiv.org/abs/1506.03758
E-print: http://arxiv.org/abs/1310.5114
E-print: http://arxiv.org/abs/1409.8321
E-print: http://arxiv.org/abs/1409.3296
E-print: http://arxiv.org/abs/1311.0810