1
by Perrin, Edward
Published 1997
National Academy Press

2
by Perrin, Edward
Published 1999
National Academy Press

3
by Perrin, Edward
Published 2001
National Academy Press

4
by Perrin, Edward
Published 1999
National Academy Press

5
by Ver Ploeg, Michele
Published 2004
The National Academies Press
Other Authors: '; ...Perrin, Edward...

6
by Melnick, Daniel
Published 2004
The National Academies Press
Other Authors: '; ...Perrin, Edward...