296 citations · 296 across the 2 of their papers we have counts for
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physics.soc-ph2021
Impacts of export restrictions on the global personal protective equipment trade network during COVID-19
Yang Ye, Qingpeng Zhang, Zhidong Cao +4
The COVID-19 pandemic has caused a dramatic surge in demand for personal protective equipment (PPE) worldwide. Many countries have imposed export restrictions on PPE to ensure the…
physics.soc-ph2007★ 296 cited
Gravity model in the Korean highway
Woo-Sung Jung, Fengzhong Wang, H. Eugene Stanley
We investigate the traffic flows of the Korean highway system, which contains both public and private transportation information. We find that the traffic flow T(ij) between city i…