by Esler, Karen J. (Karen Joan), Milton, Suzanne J. (Suzanne Jane), Dean, W. Richard J. (William Richard John)
Year of Publication 2006

by Johnson, Lynton V
Year of Publication 2005

by Marín Padellano, Luis, Galán Cela, Pablo
Year of Publication 1994

by Smit, Nico
Year of Publication 1999

by Van Wyk, B.-E, Smith, G
Year of Publication 1996

by Venter, F, Venter, J.-A
Year of Publication 1996

by Bromilow, C
Year of Publication 1995