woodstock 1/thor duster bj1/briegleb bg12/miller tern plansconstruction

I am writing to ask you about the woodstock , duster or briegleb
plans.
My name is Gustavo Balocco from Argentina. I am a
gliding pilot and an instructor gliding. I am
interested in making my own glider but I could not
find an available page on the net where I can buy the plans of those
gliders. I would like to
know if you have an e-mail address that you could send
so I could connect with the appropiate person to ask for
the plans.
I would be very grateful if you could send this
information.
Yours sincerely,
Mr. Gustavo Balocco.