New Zealand. Soil Bureau, Western Pacific Working Group of the INQUA Loess Commission, International Union for Quaternary Research. Commission on Loess, University of Waterloo. Quaternary Research Group, & University of Waterloo. Geological Engineering Group. (1979). Loess letter. Published by DSIR Soil Bureau on behalf of the Western Pacific Working Group of the INQUA Loess Commission.

New Zealand. Soil Bureau, Western Pacific Working Group of the INQUA Loess Commission, International Union for Quaternary Research. Commission on Loess, University of Waterloo. Quaternary Research Group, and University of Waterloo. Geological Engineering Group. Loess Letter. Lower Hutt, N.Z.: Published by DSIR Soil Bureau on behalf of the Western Pacific Working Group of the INQUA Loess Commission, 1979.

New Zealand. Soil Bureau, et al. Loess Letter. Published by DSIR Soil Bureau on behalf of the Western Pacific Working Group of the INQUA Loess Commission, 1979.