%0 Journal Article %T AMETHODOFLOCATINGPOLESOFTHESTEREOGRAPHICPROJECTIONWITHOUTTHECURVEDRULER %J µØÖÊѧ±¨ %D 1933 %X AninstrumentwhichhaslongbeenusedinconstructingthestereographicprojectionofacrystalisthecurvedrulersuggestedbybothWulffandFedorowin1893.~1Itisaconvenientandquickmethodfordrawingtheflatarcsofverylongradiuswhichcannot %U http://www.geojournals.cn/dzxb/ch/reader/view_abstract.aspx?file_no=19330031&flag=1