Risto Kulmala
发表
Anna Schirokoff,
Satu Innamaa,
Johan Scholliers,
2016
.
Oliver Carsten,
Risto Kulmala,
Torsten Geißler,
2016
.
Risto Kulmala,
Seppo Pakarinen,
2019
.
Risto Kulmala,
R. Kulmala,
2010,
Accident; analysis and prevention.