By Varoutas D.   Katsianis D.   Sphicopoulos Th.   Stordahl K.   Welling I.   in Wireless Personal Communications

ISSN:0929-6212|36|2|129-142

Springer Publishing Company ‎(2006)‎

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By Varoutas D.   Deligiorgi K.   Michalakelis C.   Sphicopoulos T.   in Applied Economics Letters

ISSN:1466-4291|15|14|1131-1134

Routledge Ltd‎(2008)‎

Access to resources Favorite 7.83289