The files can be found on (at least) 
   ftp.maths.bath.ac.uk:pub/dream/documentation/sounds/modelling/

>From here I see
omphalos 305% ls -l ./pub/dream/documentation/sounds/modelling/
total 38
-rw-r--r--   1 jpff     ftp          4166 Feb 17  1998 britestk.aiff
-rw-r--r--   1 jpff     ftp          4140 Dec 22  1997 britestk.wav
-rw-r--r--   1 jpff     ftp           590 Feb 17  1998 fwavblnk.aiff
-rw-r--r--   1 jpff     ftp           556 Dec 22  1997 fwavblnk.wav
-rw-r--r--   1 jpff     ftp           586 Feb 17  1998 impuls20.aiff
-rw-r--r--   1 jpff     ftp           556 Dec 22  1997 impuls20.wav
-rw-r--r--   1 jpff     ftp           582 Feb 17  1998 impuls40.aiff
-rw-r--r--   1 jpff     ftp           556 Dec 22  1997 impuls40.wav
-rw-r--r--   1 jpff     ftp          8970 Feb 17  1998 mandpluk.aiff
-rw-r--r--   1 jpff     ftp          8944 Dec 22  1997 mandpluk.wav
-rw-r--r--   1 jpff     ftp           582 Feb 17  1998 marmstk1.aiff
-rw-r--r--   1 jpff     ftp           556 Dec 22  1997 marmstk1.wav
-rw-r--r--   1 jpff     ftp           574 Feb 17  1998 twopeaks.aiff
-rw-r--r--   1 jpff     ftp           556 Dec 22  1997 twopeaks.wav
omphalos 306% 

Shound be on the Montreal mirror site as well in the same place.  Hope
that it what you wanted.