Published in Nuytsia, in 1972, in volume 1, issue 3, pages 218-241

Published in Nuytsia, in 1972, in volume 1, issue 3, pages 242-253

Published in Nuytsia, in 1972, in volume 1, issue 3, pages 254-260

Published in Nuytsia, in 1972, in volume 1, issue 3, pages 261-265

Published in Nuytsia, in 1972, in volume 1, issue 3, pages 266-269

Published in Nuytsia, in 1972, in volume 1, issue 3, pages 270-276

Published in Nuytsia, in 1972, in volume 1, issue 3, pages 277-288

Published in Nuytsia, in 1972, in volume 1, issue 3, pages 289-290