著者名,書名,版表示,出版者名,出版年,シリーズ名,番号,ISBN,ISSN,URL
South Africa. Dept. of Statistics,"Industry groups : lime works ; marble, stone, slate, etc., monumental masonry ; crushed stone ; grinding and polishing wheels and stones, other non-metallic mineral products = Nywerheidsgroepe : kalkbranderye ; marmer, klip, leiklip, ens., monumentale messelwerk ; vergruisde klip ; slyp- en polysstene, ander nie-metaalhoudende mineraalprodukte",,[Bureau of Statistics],1966,"Nywerheidsensusse, 1950-51 tot 1960-61 = Industrial censuses, 1950-51 to 1960-61",,,,https://cir.nii.ac.jp/crid/1130282270564379776