BibTeX
@ARTICLE{
         Sirkes1997FDo,
       author = "Z. Sirkes and E. Tziperman",
       title = "Finite Difference of Adjoint or Adjoint of Finite Difference?",
       journal = "Monthly Weather Review",
       year = "1997",
       volume = "125",
       number = "12",
       pages = "3373--3378"
}