By Petty, Kate
By Universidade Eduardo Mondlane
By Kevin Cahill
By Jerry Cowhig
By Unstead, R.J., Kerrod, Robin
By Osband, Gillian
By Gooders, John, Harris, Alan, Lambert, Terence
By Williams, Brian, Allen, Graham
By Chinery, Michael
By Firth, Lesley
By Reid, Derek
By Sutton, D.A., Bonson, Richard
By Pegler, David, Milne, Sean
By Kirk, Wendy, Cook, David
By Farino, Teresa
By Lambert, David
By McCormick, John, Associates, Ron Hayward
By Sandek, Cass R.
By Bramwell, Martyn
By Norman Barrett, Rhoda Burns, Robert Burns
By Burnie, David
By Parker, Steve
By Bender, Lionel, Lionel Bender
By Hann, Judith, Judith Hann
By Burnie, David, David Burnie
By Sean Gaffney
By Helen Lackner