Bibliografi : hlm. 182-185
Bibliografi : hlm. 431-444No Inv.: 139337,139339/P/Perp/14/3c
No Inv.: 1578/S/Perp/88/1c~8891-8900/P/Perp/88/10c~1618-1620/Perp/85/3c
No Inv.: 3442/P/99/1c
No Inv.: 9420-9429/P/Perp/92/10c
Judul asli : "Environmental Accustics"
No Inv.: 780-781/P/Perp/97/2c