Kevin Ummel
发表
Kevin Ummel,
2010
.
Kevin Ummel,
2010
.
Nicholas Graetz,
Kevin Ummel,
D. Cohen,
2020,
SSRN Electronic Journal.
Narasimha D. Rao,
Kevin Ummel,
2017
.
Kevin Ummel,
2020
.
David Wheeler,
Kevin Ummel,
D. Wheeler,
2008
.
Kevin Ummel,
Kevin Ummel,
2012
.
Kevin Ummel,
arasimha D. Rao,
2017
.
Kevin Ummel,
2014
.
David Wheeler,
Kevin Ummel,
D. Wheeler,
2008
.
Kevin Ummel,
Kevin Ummel,
2010
.
Kevin Ummel,
2016
.
Kevin Ummel,
D. Cohen,
Miguel Poblete-Cazenave,
2023,
arXiv.org.