@InCollection{Szopik-Depczyńska:2012,
author
=
"K.Szopik-Depczyńska and A.Świadek",
title
=
"Diversification and integration in spatial proximity for innovation activity in regional industrial systems - evidence from empirical research",
pages
=
"685--697",
year
=
"2012",
booktitle
=
"Dilemmas of the contemporary economy facing global changes ISBN: 9788362511518",
editor
=
"ed. J. Kaczmarek, T. Rojek",
publisher
=
"Foundation of the Cracow University of Economics",
address
=
"Cracow",
}