Published in Transactions of the Royal Society of South Australia, in 1998, in volume 122, pages 55-63

Published in Transactions of the Royal Society of South Australia, in 1998, in volume 122, pages 73-78

Published in Transactions of the Royal Society of South Australia, in 1998, in volume 122, pages 79-84

Published in Transactions of the Royal Society of South Australia, in 1998, in volume 122, pages 159-165