Published in Journal of the Royal Society of Western Australia, in 1981, in volume 63, pages 103-117

Published in Journal of the Royal Society of Western Australia, in 1981, in volume 63, pages 119-128

Published in Journal of the Royal Society of Western Australia, in 1981, in volume 63, issue 4, pages 97-102

Published in Journal of the Royal Society of Western Australia, in 1981, in volume 64, pages 1-4

Published in Journal of the Royal Society of Western Australia, in 1981, in volume 64, pages 5-11

Published in Journal of the Royal Society of Western Australia, in 1981, in volume 64, pages 17-22

Published in Journal of the Royal Society of Western Australia, in 1981, in volume 64, pages 53-64

Published in Journal of the Royal Society of Western Australia, in 1981, in volume 64, pages 69-77

Published in Journal of The Royal Society of Western Australia, in 1981, in volume 64, issue 1, pages 12

Published in Journal of the Royal Society of Western Australia, in 1981, in volume 64, issue 1, pages 13-16

Published in Journal of the Royal Society of Western Australia, in 1981, in volume 64, issue 1, pages 23-26

Published in Journal of the Royal Society of Western Australia, in 1981, in volume 64, issue 1, pages 27-32

Published in Journal of The Royal Society of Western Australia, in 1981, in volume 64, issue 2, pages 33-51

Published in Journal of the Royal Society of Western Australia, in 1981, in volume 64, issue 2, pages 65-68

Published in Journal of the Royal Society of Western Australia, in 1981, in volume 64, issue 3, pages 79-100