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\newblock Integrated WiFi/PDR/Smartphone Using an Adaptive System Noise
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\newblock  IEEE Int. Multitopic Conf.,  2008, pp. 443--447.

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\newblock  Indoor Positioning and Indoor Navigation (IPIN), Int. Conf. on;
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\bibitem[K\"{o}ping \em{et~al.}(2014)K\"{o}ping, Grzegorzek, and
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\bibitem[Fetzer \em{et~al.}(2017, accepted)Fetzer, Ebner, Deinzer, and
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\end{thebibliography}