Emmerink, Richard,Nijkamp, Peter (Alexandru Ioan Casu University, Iasi, Romania . JADS, 's-Hertogenbosch, The Netherlands . Adam Mickiewicz University, Poznan, Poland.)
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Emmerink, Richard,Nijkamp, Peter (Alexandru Ioan Casu University, Iasi, Romania . JADS, `s-Hertogenbosch, The Netherlands . Adam Mickiewicz University, Poznan, Poland.)
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