%0 Journal Article
%T SOMENEWMETHODSINCOALPETROGRAPHY
%A 家荣
%J 地质学报
%D 1930
%X Ⅰ.INTRODUCTION.ThemicroscopicalstudyofcoaleitherbythinsectionorbypolishedsectionhasformednowaspecialbranchofgeologicalsciencewhichiscalledinGermany"Kohlenpetrog(?)aphie."Thisnameisnotatallasatisfactoryoneas,sofarasIknow,ithasbeenfollowedneitherinAmericanorinEuropean
%U http://www.geojournals.cn/dzxb/ch/reader/view_abstract.aspx?file_no=19300327&flag=1