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G. D. Aitchison, Soil
Mechanics Sect., C.S.I.R.O. Melbourne. 0. G. Ingles, Soil
Mechanics Section, C.S.I.R.O., Melbourne. A. E. Alexander, Dept.
Phys. Chem., Uni. of Sydney. R. S. Jacquet, Morganite
Aust. P/L., Alexandria, N.S.W. F. Aragón de la
Cruz, Chem. Res. Labs.,C.S.I.R.O., Melbourne. M. Ko Ko, Sch. Mining
& Appl.Geol., Uni. of N.S.W. P. Bayliss, Sch. Mining
& Appl.Geol., Uni. of N.S.W. D. Lafeber, Soil
Mechanics Section, C.S.I.R.O., Melbourne. A. V. Blackmore,
C.S.I.R.O., Nedlands, W. A. G. W. Leeper, Dept.
Agriculture, Uni. of Melbourne. G. P. Briner, Dept.
Agri. Chem., Uni. of Melbourne. D. G. Lewis, Waite
Institute, Uni. of Adelaide. C. J. Brookes, Doulton
Potteries P/L, 1 Chatswood, N.S.W. N. H. Livermore,
Nonporite Products P/L., Marrackville, N.S.W. G. M. Bruer, Chem. Res.
Labs., C.S.I.R.O., Melbourne. F. C. Loughnan,
Sch.Mining & Appl,Geol., Uni. of N.S.W. A. F. Buchanan, Dept.
Chemistry, Uni. of Melbourne. E. R. McCartney, Dept.
Ceramic Eng., Uni. of N.S.W. N. G. Buckley, Chem.
Res. Labs., C.S.I.R.O., Melbourne. R. J. McLaughlin, Dept.
Geol. & Min., Uni. of Melbourne. R. G. Cooper, K. C.
Industries P/L., Croydon, N.S.W. A. McL. Mathieson, Chem.
Res, Labs., C.S.I.R.O., Melbourne. J. M. Cowley, Chem. Res,
Labs.C.S.I.R.O., Melbourne. A. A. Milne, Women's
College, Uni. of Melbourne. D. C. Craig, Sch.Mining
& Appl,Geol., Uni. of N.S.W. K. Norrish, Div. of
Soils, C.S.I.R.O., Adelaide. J. Croft, Sch.Mining
& Appl.Geol., Uni. of N.S.W. A. M. Posner, Waite
Institute, Uni. of Adelaide. B. D. Cuming, ICIANZ
Ltd., Melbourne. J. P. Quirk, Waite
Institute, Uni. of Adelaide. P. J. Darragh, Chem.
Res. Labs, C.S.I.R.O., Melbourne. E. R. Radoslovich, Div,
of Soils, C.S.I.R.O., Adelaide. B. S. L. Deane, Aust.
Clay Prod. Assoc., Sydney. J. A. Raussell-Colom,
Div. of Soils, C.S.I.R.O., Adelaide. M. G. Dettman, Dept.
Chemistry, Uni. of Melbourne. J. H. Taplin, Chem. Res.
Labs, C.S.I.R.O., Melbourne. H. Fowler, Dept. Ceramic
Eng., Uni. of N. S. W. R. L. Thompson, Colonial
Sugar Ref. Ltd., Pyrmont, N.S.W. J. G. Fuller, Quality
Earths P/L., Sydney. K. Schade, Ferro Corp,
P/L., Rockdale, N.S.W. Melbourne. W. G. Garrett, Chem.
Res. Labs., C.S.I.R.O., Melbourne. E. R. Segnit, Div.
Building Res., C.S.I.R.O., Melbourne. A. J. Gaskin, Chem. Res.
Labs, C.S.I.R.O., Melbourne. D.A.Swan T.R.Sweatman J. Graham, Chem. Res.
Labs., C.S.I.R.O., Melbourne. K.G.Tiller D.J. Greenland, Waite
Institute, Uni. of Adelaide. B.M.Tucker J. D. Hamilton, Dept.
Geol. & Geophys., Uni. of Sydney. G. P. Walker, Chem. Res.
Labs., C.S.I.R.O., Melbourne. J. P. Harves, H.A.P.
Insulators P/L., Brookvale N.S.W. G. W. West, Div,
Tribophysics, C.S.I.R.O., Melbourne. J.S.Hosking W. H. Vale, Membranes
P/L., Cheltenham, Vic. F. N. Whitefield,
Morganite Aust. P/L., Alexandria, N.S.W. A. F. Wilson, Chem. Res.
Labs., C.S.I.R.O. R. J. Hunter, Div. of
Soils, C.S.I.R.O., Canberra. A.N.Waterworth John Hutton