D. Petras, D. KalĂșs
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Thomas Van Denend
Ali Yousefpour, Mehrdad N. Ghasemi Nejhad
Thomas M. Smith, Charles E. Baukal
M. Day, D.M. Wiles
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, Hui Li , Terumi Ueda, Yumi Koizumi , Chris Stokes-Griffin, Silvano Sommacal 
