1
Published 2010
Open Book Publishers

2
Published 2017
Open Book Publishers

3
by van Trijp, Remi
Published 2016
Language Science Press

4
by Spranger, Michael
Published 2016
Language Science Press

5
by Bleys, Joris
Published 2015
Language Science Press

6
by Vogt, Paul
Published 2015
Language Science Press