What? If you need further details you have to read the author's detailed works. Her name is right there on the page and directs you to her website where you can

What? If you need further details you have to read the author's detailed works. Her name is right there on the page and directs you to her website where you can verify her credentials - https://www.trinity.ox.ac.uk/people/jessica-frazier https://www.trinity.ox.ac.uk/people/jessica-frazier