1
by Jonsen, Albert R.
Published 1993
National Academy Press

2
Published 1998
National Academy Press

3
by Gilford, Dorothy M.
Published 1988
National Academy Press

4
Published 1991
National Academy Press

5
by Matiaske, Wenzel
Published 2017
Nomos Verlagsgesellschaft mbH & Co. KG

6
by Nuscheler, Robert
Published 2018
Peter Lang International Academic Publishers

7
Published 2007
Taylor & Francis