@book{knuth:ct:a,
    author       = {Knuth, Donald E.},
    title        = {The {\TeX book}},
    date         = 1984,
    maintitle    = {Computers \& Typesetting},
    volume       = {A},
    publisher    = {Addison-Wesley},
    location     = {Reading, Mass.},
    langid       = {english},
    langidopts   = {variant=american},
    sorttitle    = {Computers & Typesetting A},
    indexsorttitle= {The TeXbook},
    indextitle   = {\protect\TeX book, The},
    shorttitle   = {\TeX book},
    annotation   = {The first volume of a five-volume book. Note the
                    \texttt{sorttitle} field. We want this
                    volume to be listed after the entry referring to the entire
                    five-volume set. Also note the \texttt{indextitle} and
                    \texttt{indexsorttitle} fields. Indexing packages that don't
                    generate robust index entries require some control sequences
                    to be protected from expansion},
}