@conference{P08b,
  title = "Partial observation of quantum Turing machine and weaker well-formedness condition",
  author = "S. Perdrix",
  year = "2008",
  booktitle = "<A target="_blank" href="http://www.comlab.ox.ac.uk/people/bob.coecke/DCM_QPL_08.html">Joint <B>5th QPL</B> and <B>4th DCM</B></A>:
Quantum Physics and Logic and Development of Computational Models",
  url = "http://web.comlab.ox.ac.uk/people/simon.perdrix/publi/weakerQTM.pdf",
}