%0 Journal Article %T OntheEpidermalStructuresofCordaitesschenkiiHallefromTaiyuanFormation(Stephanian)inPing-ShuoCoal-Field,ShanxiProvince,NorthChina %J Φ²ΞοΡ§±¨ %P 184-189 %D 2000 %U http://www.chinbullbotany.com/CN/abstract/abstract9811.shtml