7 – 2 0 1 8 . ▁Ed . ▁S iem ens ▁Historical ▁Institute , ▁Hamburg ▁ 2 0 1 8 , ▁ISBN ▁ 9 - 7 8 3 8 6 7 - 7 4 6 2 4 3 . ▁ ▁Wei her , ▁Sieg fried ▁von ▁/ Her bert ▁Go etz eler ▁( 1 9 8 4 ). ▁The ▁S iem ens ▁Company , ▁Its ▁Historical ▁Ro le ▁in ▁the ▁Progress ▁of ▁Elect rical ▁Engineering ▁ 1 8 4 7 – 1 9 8 0 , ▁ 2 nd ▁ed . ▁Berlin ▁and ▁Mun ich . ▁ ▁Fel den kir chen , ▁Wil fried ▁( 2 0 0 0 ). ▁S iem ens , ▁From ▁Work shop ▁to ▁Global ▁Player , ▁Mun ich . ▁ ▁Fel den kir chen , ▁Wil fried ▁/ ▁E ber hard ▁Pos ner ▁( 2 0 0 5 ): ▁The ▁S iem ens ▁Entre pr ene urs , ▁Cont inu ity ▁and ▁Change , ▁ 1 8 4 7 – 2 0 0 5 , ▁Ten ▁Port ra its , ▁Mun ich . ▁ ▁Gre ider , ▁William ▁( 1 9 9 7 ). ▁One ▁World , ▁Re ady ▁or ▁Not ' '. ▁P engu in ▁Press . ▁. ▁ ▁Marg are te ▁B uber : ▁ 3 0 3 f ▁As ▁prisoners ▁of ▁St alin ▁and ▁Hitler , ▁Frank f ▁/ ▁Main , ▁Berlin ▁ 1 9 9 3 ▁ ▁See ▁Car ola ▁Sach se : ▁Jewish ▁forced ▁labor ▁and ▁non - J ew ish ▁women