BibTeX
@INCOLLECTION{
         Thacker1990Lls,
       AUTHOR = "William Carlisle Thacker",
       TITLE = "Large least-squares problems and the need for automating the generation of adjoint
         codes",
       BOOKTITLE = "Computational Solution of Nonlinear Systems of Equations",
       YEAR = "1990",
       PUBLISHER = "American Mathematical Society",
       SERIES = "Lectures in Applied Mathematics, No. 26",
       PAGES = "645--677",
       REFERRED = "[Thacker1991ADf]."
}