%0 Journal Article
%T THEOCCURRENCEOFENDOCARPSOFCELTISBARBOURIATCHOUKOUTIEN
%J µØÖÊѧ±¨
%D 1935
%X Theoccurrenceoffossilplantsincavedepositsisrelativelyrareduetothefactthatnoneofthehigherplants,whosestructuresalonearereadilypre-servable,occupyacavehabitat.Unlikemanyspeciesofmammals,especiallycarnivores,rodentsandmanhimself,higherplantsrequireasituationwheresunlightisaregularfactorintheenvironment.Afurtherdisadvantagefrom
%U http://www.geojournals.cn/dzxb/ch/reader/view_abstract.aspx?file_no=19350214&flag=1