Help package for Growing Neural Gas

Hi, somebody knows a package for running Growing Neural Gas in R.

> require(sos)
 > findFn("Growing Neural Gas")
found 0 matches
x has zero rows;  nothing to display.
Warning message:
In findFn("Growing Neural Gas") :
   HIT not found in HTML;  processing one page only.
 > findFn("Neural Gas")
found 5 matches

David Winsemius, MD
West Hartford, CT