“…We collected information on the technique from the following authors: Matson (1936), Lloyd (1953, Delarue and Depierre (1956), Fleishman et al (1956), Touraine (1960), Lageze et al (1960, Roche et al (1963), Decamp (1966), Sattler (1968). Brandt and Mai (1971), Decamp et al (1973), Senno et al (1974), and Lewis et al (1976).…”