%0 Journal Article %T UBERDASVORKOMMENVONCALLIPTERLSCONFERTASTERNB.INDERUNTERENSHIHHOTZESERIEINCENTRAL-SHANSI %J µØÖÊѧ±¨ %D 1935 %X "ThemostseriousobjectiontoplacingtheLowerShihhotzefloraintheLowerPermianisthenegativeevidencepresentedbytheabsenceofanyspeciesofCallipteris.AsespeciallypointedoutbyGothan,however,Callipterisis %U http://www.geojournals.cn/dzxb/ch/reader/view_abstract.aspx?file_no=19350438&flag=1