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@ergonomics1957 @BrotherGene0888 What does this say that Alan Roscoe didn't show in the 1970's/1980's - see refs https://t.co/T5wYFTPHEC
@ergonomics1957 @BrotherGene0888 What does this say that Alan Roscoe didn't show in the 1970's/1980's - see refs https://t.co/T5wYFTPHEC