B&D

Boas, Franz & Ella Deloria. 1941. Dakota Grammar.

@None{bandd,
  author = {Boas, Franz and Deloria, Ella},
  title  = {Dakota Grammar},
  year   = {1941}
}
@None{bandd,
  author = {Boas, Franz and Deloria, Ella},
  title  = {Dakota Grammar},
  year   = {1941}
}
@None{bandd,
  author = {Boas, Franz and Deloria, Ella},
  title  = {Dakota Grammar},
  year   = {1941}
}