Of course the name of the designer is the well known Dennis Tapsfield. Magazine was RC Model World ( published in England )
The plan is sold by Traplet in England and I think they have a new US agent recently.
Plan is here http://www.trapletshop.com/us/p/11396/corby-starlet
make sure you click on the US flag to get prices in dollars.
If you want a copy of the article from RC ModelWorld August 1985 you need to ask at time of purchasing plans - at extra cost- as English magazines never include the instructions.