Was surfing around and I found this little number from Japan back in 2001:
Here is their web page that goes into great detail:
http://www1.ttcn.ne.jp/~gyo/English/index.htm
(As you see, it is in English.)
Here is their web page that goes into great detail:
http://www1.ttcn.ne.jp/~gyo/English/index.htm
(As you see, it is in English.)