1998
Walters, C., Demarchi, D., Cumming, Steve
Working Paper 1998-8
2003
Schmiegelow, Fiona, Walters, C., Cumming, Steve, Vernier, P., Bunnell, Fred
2000
Schmiegelow, Fiona, Bunnell, Fred, Walters, C.
Project Report 2000-40