By Puu T.   in The Annals of Regional Science

ISSN:0570-1864|43|1|5-25

Springer Publishing Company ‎(2009)‎

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By Gallegati M.   Gardini L.   Puu T.   Sushko I.   in Mathematics and Computers in Simulation

ISSN:0378-4754|63|6|505-527

Elsevier‎(2003)‎

Access to resources Favorite 7.73233