“…A technical summary report containing survey results and interpretations is in preparation and partial results have already been given in Open File Reports (Wollenberg et al, 1975;Beyer et al, 1976;Goldstein et al, 1976) and in topical reports (Beyer, 1977a, b, and C: Liaw and McEvilly, 1977;Morrison et al, 1977;Paulsson, 1977: Wollenberg et al, 1977).…”