?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aulast=Jacobs&rft.au=Jacobs%2C+B&rft.aufirst=B&rft.atitle=Causal+inference+via+string+diagram+surgery&rft.volume=31&rft.date=May+2021&rft.title=Mathematical+Structures+in+Computer+Science&rft.pages=553-574&rft.issue=5&rft.genre=article