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 "Powder Metallurgy Conference and Hoffman, James and Cebulak Walter",1978 and 1979 Nationnal Powder Metallurgy Conference Proceedings,,Metal Powder Industries Federation,1980,Progress in powder metallurgy,,0918404495,,https://cir.nii.ac.jp/crid/1130000796673220992