1
by Matiaske, Wenzel
Published 2017
Nomos Verlagsgesellschaft mbH & Co. KG

2
by Jopeck, Valerie Tate
Published 1999
National Academy Press

3
by Tan, Corinne
Published 2018
UCL Press

4
by Pray, Leslie A.
Published 2015
National Academies Press