de Graaff (1987)
van der Post (1987)
Waldenmaier (1987)
Sharpe/Proffit (1987)
Milton (1987)
Richardson (1987)
Stubbs (1987)
Putman/Sitton (1987)
Klein (1987)
McLaughlin (1987)
Oliver (1987)
Drapkin (1987)
Matheson (1987)
Crnich/Hassett (1987)
Gibbs (1987)
McDonald (1987)
Rowell (1987)
Holmes, R. (1987)
Holmes, R (1987)
Heavens (1987)
Oliver/St. Loye (1987)
Bielby-Oxtoby (1987)
Oxtoby (1987)
Weeks (1987)
Fleming (1987)
Brouwer (1987)
Tite (1987)
Caunt (1987)
Wilkinson (1987)
Hall (1987)
Carlson/Pearsall- Benson (1987)
