FAG Kugelfischer Georg Schafer KgaA, [date of publication not identified]
Buku Teks
FAG Kugelfischer Georg Schafer & Co., [date of publication not identified]
Buku Teks
FAG Kugelfischer Georg Schafer KGaA, [date of publication not identified]
Buku Teks
Eggert, Helmut, author
Ernst & Sohn, 2002
Buku Teks
Nguyen-Schafer, Hung, author
Springer Nature, 2019
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