“…These studies built on the benchmark work of Skempton (1953), Zaruba and Mencl (1969), Hutchinson (1965), Carson and Kirkby (1972), Brunsden and Jones (1972), in Europe, and in other parts of the world by the research of figures such as, Yatsu (1966). Notable in this respect, in chronological order, are the studies of, Crozier (1973), Brunsden (1974), Hutchinson and Gostelow (1976), Hutchinson (1980), Palmquist and Bible (1980), Hutchinson et al (1981), and Iida and Okunishi (1983), to name only a few.…”