?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=Thomas%2C+J.J.&rft.aulast=Thomas&rft.aufirst=J.J.&rft.btitle=Preface&rft.date=2020&rft.isbn=9781799836469%3B+9781799836452&rft.genre=book