by Paul Smitz...[et.al] by Paul Smitz...[et al.] by Paul Smitz...[et.al by Paul Smitz...[et al. by David Else...[et.al] by Karl Ruhrberg...[et.al] by Maurice Kohl...[et.al.] by Sabine Folle...[et.al.] by Keith R.A....[et.al.] Lewis Spitz...[et al]