Ulla Seppala

Rough modelling of logistics networks

Jan Holmström, Ulla Seppala, 1995 .

A methodology for data gathering and analysis in a logistics simulation project

Ulla Seppala, Juha-Matti Lehtonen, 1997 .

An Evolutionary Model for Spatial Location of Economic Facilities

Ulla Seppala, 1997 .