Autor
- Biggs, B. J. 3 Rezultatów
- Gifford, J. S.
- Livingston, Mary E. (Mary Elizabeth), 1953- 2 Rezultatów
- National Water and Soil Conservation Authority (N.Z.) 2 Rezultatów
- New Zealand. Water and Soil Directorate 2 Rezultatów
- National Water and Soil Conservation Organisation (N.Z.) 1 Rezultatów
- New Zealand. Water Resources Council. Standing Biological Working Party 1 Rezultatów
- New Zealand. Water and Soil Division 1 Rezultatów
- Smith, D. G. (David Glynn), 1944- 1 Rezultatów