Judul asli : "Electric Power Distribution Systems"
No Inv.: 2536-2540/P/Perp/92/5c~623-624/S/Perp/87/2c~1932-1933/S/Perp/87/2c~720/S/Perp/88/1c
No Inv.: 78665-78666/01/2c
Bibliografi : hlm. 267-270 No Inv.: 139992-139996/P/Perp/14/5c
No Inv.: 118088-118090/P/Perp/09/3c
No Inv.: 10672/P/Perp/92/1c~2484-2485/P/Perp/95/2c
Termasuk Bibliografi; No Inv.: 134666/SM/Perp/13/1c~136287/SM/Perp/13/1c
No Inv.: 107018/S/Perp/06/1c~113052-113056/S/Perp/08/5c~146983/P/Perp/15/1c
Judul asli :"Structural Theory and Analysis
No Inv.: 86889-86891/P/Perp/03/3c