Judul asli : "Theory and Problem Mechanical Vibrations"
No Inv.: 67553/P/00/1c
No Inv.: 4477/P/00/1c
No Inv.: 75772/S/01/1c
No Inv.: 77872/01/1c~82115-82119/02/5c
No Inv.: 80646/P/02/1c
Judul asli : "Physical and Geotechnical Properties of Soils"
No Inv.: 85740-85749/S/Perp/03/10c
No Inv.: 86876-86877/P/Perp/03/2c
No Inv.: 88750/P/Perp/04/1c