Several worthwhile entries are available.
Just type into google the following text:
Stuart Jenkinson UK
Pity PCV and PEI are not around to see the practical proof of some of their ideas.
I only say 'some' because a lot of modifications were found to be advantageous.
The basics have been shown to be sound beyond doubt.
Just type into google the following text:
Stuart Jenkinson UK
Pity PCV and PEI are not around to see the practical proof of some of their ideas.
I only say 'some' because a lot of modifications were found to be advantageous.
The basics have been shown to be sound beyond doubt.