No Inv.: 113323-113324/P/Perp/08/2c
No Inv.: 120200-120202/P/Perp/09/3c
Bibliografi : 229-230
No Inv.: 1789-1790/P/Perp/92/2c~4869-4870/P/00/2c~75696-75697/01/2c~112306-112309/P/Perp/08/4c~123325-123329/P/Perp/10/5c
Bibliografi : hlm 351-355
Judul asli : "Electric Power Distribution Systems"
No Inv.: 124606-124610/P/Perp/10/5c~127970/SM/Perp/10/1c
Judul asli : "Machineonderdelen"
No Inv.: 114406-114410/P/Perp/08/5c~117802-117806/P/Perp/09/5c