| Publication Type: | Journal Article |
| Year of Publication: | 1950 |
| Authors: | F. R. Nurse |
| Journal: | Transactions of the Royal Society of New Zealand |
| Volume: | 78 |
| Pagination: | 410-417 |
| Date Published: | 11/1950 |
| URL: | http://rsnz.natlib.govt.nz/volume/rsnz_78/rsnz_78_04_004900.pdf |