Judul asli: "Statistically Indeterminate Structures"
No Inv.: 2816-2817/BD/Perp/87/2c~5030/P/00/1c~5031/P/00/1c
Bibliografi : hlm. 338-342
No Inv.: 140959/Psm/Perp/14/1c
No Inv.: 140962/Psm/Perp/14/1c
No Inv.: 140527/PH/Perp/14/1c
Bibliografi : hlm. 411-414 No Inv.: 140561/Psm/Perp/14/1c
No Inv.: 140956/Psm/Perp/14/1c
Bibliografi : hlm. 368-370 No Inv.: 135977/Sm/Perp/13/1c