1
by Olson, Steve
Published 1989
National Academy Press

2
by Gisela, Bockenheimer-Lucius
Published 2008
Universitätsverlag Göttingen

3
by Katherine Gibson
Published 2015
punctum books

4
by Jeremy Bendik-Keymer
Published 2017
punctum books

5
by J. Guy Castley
Published 2018
Frontiers Media SA