Bibliografi : hlm. 76-77
Judul asli : "Steam Turbines Theory and Design"
No Inv.: 110213/PH/Perp/07/1c
Bibliografi : hlm. 139 - 140
Judul asli : "Turbinen, Pumpen und Verdichter"
No Inv.: 312/S/Perp/91/1c~115397/SM/Perp/08/1c
No Inv.: 1389/P/Perp/95/1c~3433/P/Perp/99/1c
No Inv.: 4958/S/00/1c
No Inv.: 77827-77831/01/5c~82173-82177/02/5c~83680/P/Perp/02/1c