Published in Journal of the Royal Society of Western Australia, in 1971, in volume 54, pages 1-13

Published in Journal of the Royal Society of Western Australia, in 1971, in volume 54, pages 14-16

Published in Journal of the Royal Society of Western Australia, in 1971, in volume 54, pages 17-21

Published in Journal of the Royal Society of Western Australia, in 1971, in volume 54, pages 21-32

Published in Journal of the Royal Society of Western Australia, in 1971, in volume 54, pages 33-39

Published in Journal of the Royal Society of Western Australia, in 1971, in volume 54, pages 47-52

Published in Journal of the Royal Society of Western Australia, in 1971, in volume 54, pages 53-58

Published in Journal of the Royal Society of Western Australia, in 1971, in volume 54, pages 76-94

Published in Journal of the Royal Society of Western Australia, in 1971, in volume 54, pages 99-102

Published in Journal of The Royal Society of Western Australia, in 1971, in volume 54, pages 102-113

Published in Journal of the Royal Society of Western Australia, in 1971, in volume 54, pages 114-118

Published in Journal of the Royal Society of Western Australia, in 1971, in volume 54, pages 119-125

Published in Journal of the Royal Society of Western Australia, in 1971, in volume 54, issue 3, pages 59-75

Published in Journal of the Royal Society of Western Australia, in 1971, in volume 54, issue 4, pages 95-98

Published in Journal of The Royal Society of Western Australia, in 1971, in volume 54, issue 4, pages 103-113