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@incollection{Domosi&Horvath&Ito&Kaszonyi&Katsura:1993,
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@incollection{Shyr&Yu:1994c,
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@incollection{Domosi&Horvath&Ito&Kaszonyi&Katsura:1994a,
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and Katsura 1994a",
	author = "P. {D\"om\"osi} and S. {Horv\'ath} and M. Ito and
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@incollection{Domosi&Horvath&Ito&Kaszonyi&Katsura:1994b,
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@article{Shyr&Yu:1998,
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