Any feedback will be truly appreciated. Please contact:

Jon Robertson : jsrobert at uga dot edu
Tae-Ho Lee : alfalf at gmail dot com
Haibao Tang : tanghaibao at gmail dot com
Xiyin Wang : wang dot xiyin at gmail dot com

Developer's notes

While PGDD is no longer funded and therefore is not being regularly updated, we intend to keep it online for as long as resources permit and interest warrants. Periodic updates may occur but cannot be assured. Note the last update of PGDD was in 2014.

* Designed by Phill and Vivi