Published in Proceedings of The Royal Society of Victoria, in 1951, in volume 63, pages 1-24
Published in Proceedings of The Royal Society of Victoria, in 1951, in volume 63, pages 25-30
Published in Proceedings of The Royal Society of Victoria, in 1951, in volume 63, pages 31-39
Published in Proceedings of The Royal Society of Victoria, in 1951, in volume 63, pages 41-56
Published in Proceedings of The Royal Society of Victoria, in 1951, in volume 63, pages 57-72