Suggate, R.P. 1959 New Zealand coals: Their geological setting and its influence on their properties. Wellington: DSIR. DSIR Bulletin 134 113 p.
Abstract: The object was to search through the mass of quantitative coal research material in existance to relate differences in analyses to differences in geological settings of the samples so a satisfactory ranking can be obtained, a second objective is to discuss properties of the coals in relation to the analyses