This folder is here because we don't want to break old version GPlately. After some time, when nobody is using the old version GPlately, this folder should be deleted.

I guess you may be looking for 

https://www.earthbyte.org/webdav/ftp/Data_Collections/Muller_etal_2008_G3.zip 
or
https://www.earthbyte.org/webdav/ftp/Data_Collections/Muller_etal_2008_Science.zip