Poll, Roswitha, author
K.G. Saur, 2007
Buku Teks
Aird, Forbes
MBI Publishing Company, 1999
Buku Teks
Khairul Amri, author
2008
UI - Tesis (Open)
FAG Kugelfischer Georg Schafer & Co., [date of publication not identified]
Buku Teks
Azam Milah Muhamad, author
Fakultas Teknik Universitas Indonesia, 2022
UI - Tesis (Membership)