@phdthesis{31509,
  address               = {Ann Arbor},
  author                = {Seo, Seunghyun},
  pages                 = {x+251},
  publisher             = {UMI},
  school                = {University of Indiana},
  title                 = {The frequency of null subject in Russian, Polish, Czech, Bulgarian and Serbo-Croatian: an analysis according to morphosyntactic environments},
  year                  = {2001},
  class_loc             = {PG207},
  document_type         = {B},
  inlg                  = {English [eng]},
  isbn                  = {9780493518572},
  lgcode                = {Serbian [srp], Czech [ces], Bulgarian [bul], Russian [rus], Croatian [hrv], Polish [pol]},
  macro_area            = {Eurasia},
  mpi_eva_library_shelf = {PG 207 SEO 2002},
  src                   = {mpieva},
  subject_headings      = {Slavic languages–Syntax, Slavic languages–Pronoun, Slavic languages–Grammar, Generative, Slavic languages–Syntax – Slavic languages–Pronoun – Slavic languages–Grammar, Generative}
}