Healy, J.; Lloyd, E.F.; Rishworth, D.E.H.; Wood, C.P.; Glover, R.B.; Dibble, R.R. 1978 The eruption of Ruapehu New Zealand on 22 June 1969. Wellington: DSIR. DSIR Bulletin 224 p. 79
Abstract: This report of the Ruapehu eruption gives a general and geological account of the eruption and resulting ejecta, the contamination of water supplies and damage to building and equipment is analysed
