Checklist of the birds of New Zealand (3rd ed)
Turbott, G.G., 1990. Expand
Turbott, G.G., 1990. Expand
Healy, T.R., 1990, Zeitschrift fur Geomorphologie, Supplementband. Expand
Hicks, D.M., 1990. Expand
Department of Conservation, 1990. Expand
Fahy, F.; Irving, P.; John, S., 1990. Expand
Fahy, F.; Irving, P.; John, S., 1990. Expand
Forbes, S.; Bridgewater, G., 1990. Expand
Forbes, S.; Bridgewater, G., 1990. Expand
Russell, P.; Brown, J., 1990. Expand
Russell, P.; Brown, J., 1990. Expand