@book{knuth:ct:e, author = {Knuth, Donald E.}, title = {{Computer Modern} Typefaces}, date = 1986, maintitle = {Computers \& Typesetting}, volume = {E}, publisher = {Addison-Wesley}, location = {Reading, Mass.}, langid = {english}, langidopts = {variant=american}, sorttitle = {Computers & Typesetting E}, annotation = {The fifth volume of a five-volume book. Note the \texttt{sorttitle} field}, }