No Inv.: 2626-2630/P/Perp/95/5c
No Inv.: 142-143/P/Perp/95/2c
No Inv.: 170-171/P/Perp/95/2c
No Inv.: 971-975/P/Perp/95/5c
No Inv.: 127-128/P/Perp/95/2c
No Inv.: 1053-1058/P/Perp/92/6c
No Inv.: 10478-10477/P/Perp/92/3c
Judul asli : "The Indonesian Vowels : Accoustic and Perceptual Explorations"
No Inv.: 1771-1772/P/Perp/92/2c~667/P/Perp/92/1c~1401/P/Perp/92/1c~2221-2225/P/Perp/92/5c~482/P/Perp/92/1c