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Sangoma wrote: ↑
Mon Jun 03, 2019 11:49 pm
What do you mean by vertical and horizontal?
There’s heaps out there Mate, this is probably a good place to start...
https://www.researchgate.net/figure/Des ... _281690550
What lies behind us and what lies before us are tiny matters compared to what lies within us.
Ralph Waldo Emerson