deletions | additions       diff --git a/authors.tex b/authors.tex  index fd75eaa..2eccff4 100644  --- a/authors.tex  +++ b/authors.tex 
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{\it NSC KIPT, Kharkov, Ukraine)}\\  D. Porsuk  {\it (Dumlupinar University, Kutahya, Turkey)}\\  M. Syphers   {\it (Michigan State University, East Lansing MI, United States)}\\  J. R. Ellis  ({\it King's College, London, United Kingdom})\\  Y. Bai