Unix history. Btw.  One of the things I'm proud of as president at the time - Usenix was the first of the academic orgs to remove it's pay wall and go 100% free access.  

On Thu, Mar 1, 2018 at 7:11 PM Nelson H. F. Beebe <beebe@math.utah.edu> wrote:
>> And US$33.00 for non-IEEE members;

Yes, that can be a problem for journal publications.

However, throughout the developed world, many academic, city, county,
and regional libraries offer their clients Interlibrary Loan service
that might be zero cost to you.  I use that service many times a year,
and I even once got a loaned hardcopy book that came to Utah from a
library in Scotland (and was later safely returned to Scotland).

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