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JOURNAL OF ECONOMIC INTERACTION AND COORDINATION, vol. 3, no. 1, page. 81 - 88, 2008-01

EPL, vol. 81, no. 4, page. 48005, 2008-02

PHYSICA A-STATISTICAL MECHANICS AND ITS APPLICATIONS, vol. 387, no. 2-3, page. 537 - 542, 2008-01-15

EPL, vol. 83, no. 5, page. 50010, 2008-09

PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, vol. 108, no. 1, page. 18 - 23, 2011-01-04

EUROPEAN PHYSICAL JOURNAL B, vol. 79, no. 1, page. 55 - 60, 2011-01

EUROPEAN PHYSICAL JOURNAL B, vol. 62, no. 1, page. 113 - 119, 2008-03