%0 Journal Article %T CARBONIFEROUSSTRATIGRAPHYOFNORTHWESTERNKANSU. %J µØÖÊѧ±¨ %D 1925 %X ThegeologicalreconnaissanceinthenorthwesternpartofKansuwasundertakenduringthefivemonthsfromtheendofJunetothebeginningofDecember,1923,Theareacoveredisalongthegrabentrough %U http://www.geojournals.cn/dzxb/ch/reader/view_abstract.aspx?file_no=19250105&flag=1