European Physical Journal C: Particles and Fields European Physical Journal C: Particles and Fields, Springer Verlag (Germany), 2000, 13, pp.609-639 European Physical Journal C: Particles and Fields, 2000, 13, pp.609-639
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European Physical Journal C: Particles and Fields European Physical Journal C: Particles and Fields, 2000, 12, pp.595-607 European Physical Journal C: Particles and Fields, Springer Verlag (Germany), 2000, 12, pp.595-607
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