\input zb-basic
\input zb-ioport
\iteman{io-port 71001527}
\itemau{Utans, Joachim}
\itemti{Learning in compositional hierarchies: inducing the structure of objects from data}
\itemso{NIPS, 285-292 (1993).}
\itemcc{}
\itemut{}
\itemli{http://nips.djvuzone.org/djvu/nips06/0285.djvu}
\end