[ooloncoloophid]

An overview of the model and its history: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4207727/

The Wikipedia entry for WM is also very good: https://en.wikipedia.org/wiki/Working_memory

It's a bit tricky to tell what you're doing exactly - perhaps drop me an email if you have any queries (using this account; my original parent post was on a throwaway account because I had login problems).