Published in Journal of the Royal Society of Western Australia, in 1973, in volume 56, pages 5-15

Published in Journal of the Royal Society of Western Australia, in 1973, in volume 56, pages 16-22

Published in Journal of the Royal Society of Western Australia, in 1973, in volume 56, pages 23-30

Published in Journal of the Royal Society of Western Australia, in 1973, in volume 56, pages 31-43

Published in Journal of the Royal Society of Western Australia, in 1973, in volume 56, pages 44-55

Published in Journal of the Royal Society of Western Australia, in 1973, in volume 56, pages 56-64

Published in Journal of the Royal Society of Western Australia, in 1973, in volume 56, pages 65-73

Published in Journal of the Royal Society of Western Australia, in 1973, in volume 56, pages 74-75

Published in Journal of the Royal Society of Western Australia, in 1973, in volume 56, pages 76-77

Published in Journal of the Royal Society of Western Australia, in 1973, in volume 56, pages 78-79

Published in Journal of the Royal Society of Western Australia, in 1973, in volume 56, pages 97-102

Published in Journal of the Royal Society of Western Australia, in 1973, in volume 56, pages 103-108

Published in Journal of the Royal Society of Western Australia, in 1973, in volume 56, pages 109-115

Published in Journal of the Royal Society of Western Australia, in 1973, in volume 56, pages 116-122

Published in Journal of the Royal Society of Western Australia, in 1973, in volume 56, pages 123-128

Published in Journal of The Royal Society of Western Australia, in 1973, in volume 56, issue 3, pages 80-85

Published in Journal of the Royal Society of Western Australia, in 1973, in volume 56, issue 3, pages 86-93