Sinton (1990)
Jetten (1990)
Sloots (1990)
Dumont (1990)
Barby (1990)
Sharpe/Proffit (1990)
Holmes, R. (1990)
Strümper (1989)
Carleson (1989)
Hubbard/Dotts Greenhouse (1989)
Gilbert/Timmins (1989)
Waldenmaier (1989)
de Graaff (1989)
Brough/Laburnum (1989)
Murru (1989)
Wood (1989)
Van de Sande (1995)
Timmers (1995)
Plows (1989)
Webb (1989)
Gage (1989)
Jones, R. (1989)
Caunt (1989)
Crawshaw (1989)
Bielby-Oxtoby (1989)
Windsor (1989)
McDonald (1989)
Drapkin (1989)
Thewlis (1989)
Walker, W.O. (1989)
Redfern (1989)
Welch (1989)
Massé (1989)
Johnson, J. (1989)
Bell (1989)
Ellis (1989)
Holmes, R. (1989)
