Published in Nuytsia, in 1990, in volume 7, issue 2, pages 117-122

Published in Nuytsia, in 1990, in volume 7, issue 2, pages 123-124

Published in Nuytsia, in 1990, in volume 7, issue 2, pages 125-131

Published in Nuytsia, in 1990, in volume 7, issue 2, pages 133-135

Published in Nuytsia, in 1990, in volume 7, issue 2, pages 137-139

Published in Nuytsia, in 1990, in volume 7, issue 2, pages 141-159

Published in Nuytsia, in 1990, in volume 7, issue 2, pages 161-182

Published in Nuytsia, in 1990, in volume 7, issue 2, pages 183-199

Published in Nuytsia, in 1990, in volume 7, issue 2, pages 201-208

Published in Nuytsia, in 1990, in volume 7, issue 2, pages 209-219

Published in Nuytsia, in 1990, in volume 7, issue 2, pages 221-228

Published in Nuytsia, in 1990, in volume 7, issue 2, pages 229