I thought tumblr posts about bold essays were fake, but no.

No you're not! Unfortunately even sci hub was unable to crack the article for me. I'll keep searching though.

Ok. Lemme know what you find

Got it!!
scihub.bban.top slash h t t p s : doubleslash doi.org/10.1016/0169-4758(86)90053-0
Remove the spaces and be prepared for a gruesome photo that took me by surprise p.4

Thanks. I'll check it out