BibTeX
@ARTICLE{
         Xu1996GAf,
       author = "Q. Xu",
       journal = "Journal of the Atmospheric Sciences",
       volume = "53",
       pages = "1123--1142",
       year = "1996",
       title = "Generalized Adjoint for Physical Processes with Parameterized Discontinuities ---
         {P}art~{I}: {B}asic Issues and Heuristic Examples",
       number = "8"
}