Published in Transactions of The Royal Society of South Australia, in 1950, in volume 73, pages 1-5

Published in Transactions of The Royal Society of South Australia, in 1950, in volume 73, pages 59-61

Published in Transactions of The Royal Society of South Australia, in 1950, in volume 73, pages 63-71

Published in Transactions of The Royal Society of South Australia, in 1950, in volume 73, pages 102-108