SERGEY added a paper 2012-04-07 18:58:10 -0700

SERGEY added talks. 2012-03-01 14:36:05 -0800

SERGEY started following the work of Brian Axsmith, University of South Alabama, Biology. 2012-01-17 05:25:09 -0800

SERGEY Some Paleogene Plants of Tethys' Ocean shores at European Russia and adjacent territories.. 2011-10-19 12:20:59 -0700