@Unpublished{K-theory/0192,
  author = 	 {{Mikhail Kapranov and Masahico Saito}},
  title = 	 {{Hidden Stasheff polytopes in algebraic K-theory and the space of Morse functions}},
  note = 	 {{Preprint, May 8, 1997, K-theory Preprint Archives, http://www.math.uiuc.edu/K-theory/0192/}}}
}