PT - JOURNAL ARTICLE AU - MENNING, MANFRED AU - WEYER, DIETER AU - WENDT, IMMO AU - RILEY, NICHOLAS J. AU - DAVYDOV, VLADIMIR I. TI - Discussion on high-precision <sup>40</sup>Ar/<sup>39</sup>Ar spectrum dating on sanidine from the Donets Basin, Ukraine: evidence for correlation problems in the Upper Carboniferous AID - 10.1144/jgs.158.4.733 DP - 2001 Jul 01 TA - Journal of the Geological Society PG - 733--736 VI - 158 IP - 4 4099 - http://jgs.lyellcollection.org/content/158/4/733.short 4100 - http://jgs.lyellcollection.org/content/158/4/733.full SO - Journal of the Geological Society2001 Jul 01; 158