FG: Fyfe & Godwin (1962), FH: Fyfe & Hollander (1964), M: Matsushima et al. (1967), H: Haas (1972), H: Hemley et al. (1980), F: Fockenberg et al. (1996)

Postscriptfile: as-12.ps

last modified: 8.8.1997 by Matthias Gottschalk