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Hao Zheng and Xiangrong Shen
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Georgia A. Foutsitzi, Christos G. Gogos, Evangelos P. Hadjigeorgiou and Georgios E. Stavroulakis
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B. van Ninhuijs, L.A. van der Heide, J.W. Jansen, B.L.J. Gysen, D.J. van der Pijl and E.A. Lomonova
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Minoru Sasaki, Wenyi Lin, Hirohisa Tamagawa, Satoshi Ito and Keiko Kikuchi
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