Bibliografi : hlm. 159-166
No Inv.: 146648,146649/P/Perp/14/2c
No Inv.: 948-950/P/Perp/95/3c
No Inv.: 904/Perp/83/1c
Judul asli : "Construction Spatialiales en Acier"
No Inv.: 1739/P/Perp/92/1c~7284-7288/P/Perp/92/5c~83600-83604/P/Perp/02/5c~109878/S/Perp/07/1c
No Inv.: 4127-4131/P/Perp/98/5c~87361-87363,87365/P/Perp/03/4c