@article(BGNP,
 author       = {D. Beckman and D. Gottesman and M. A. Nielsen and J. Preskill},
 year         = {2001},
 title        = {Causal and localizable quantum operations},
 journal      = {Physical Review A},
 volume       = {64},
 pages        = {052309},
 doi          = {10.1103/PhysRevA.64.052309},
 url          = {http://journals.aps.org/pra/abstract/10.1103/PhysRevA.64.052309},
)
@article(QSupermaps,
 author       = {G. Chiribella and G. M. D'Ariano and P. Perinotti},
 year         = {2008},
 title        = {Transforming quantum operations: quantum supermaps},
 journal      = {EPL},
 volume       = {83},
 pages        = {30004},
 doi          = {10.1209/0295-5075/83/30004},
 url          = {http://iopscience.iop.org/article/10.1209/0295-5075/83/30004/meta},
)
@article(Chiri1,
 author       = {G. Chiribella and G. M. D'Ariano and P. Perinotti},
 year         = {2010},
 title        = {Probabilistic theories with purification},
 journal      = {Physical Review A},
 volume       = {81},
 number       = {6},
 pages        = {062348},
 doi          = {10.1103/PhysRevA.81.062348},
)
@article(QSwitch,
 author       = {G. Chiribella and G. M. D'Ariano and P. Perinotti and B. Valiron},
 year         = {2013},
 title        = {Quantum computations without definite causal structure},
 journal      = {Physical Review A},
 volume       = {88},
 pages        = {022318},
 doi          = {10.1103/PhysRevA.88.022318},
 url          = {http://journals.aps.org/pra/abstract/10.1103/PhysRevA.88.022318},
)
@article(PaviaIndef,
 author       = {Giulio Chiribella and Giacomo Mauro D'Ariano and Paolo Perinotti},
 year         = {2009},
 title        = {Theoretical framework for quantum networks},
 journal      = {Phys. Rev. A},
 volume       = {80},
 pages        = {022339},
 doi          = {10.1103/PhysRevA.80.022339},
 url          = {http://link.aps.org/doi/10.1103/PhysRevA.80.022339},
)
@unpublished(Cnonsig,
 author       = {B. Coecke},
 year         = {2014},
 title        = {Terminality equals non-signalling},
 doi          = {10.4204/EPTCS.172.3},
)
@article(CRCaucat,
 author       = {B. Coecke and R. Lal},
 year         = {2012},
 title        = {Causal categories: {R}elativistically interacting processes},
 journal      = {Foundations of Physics},
 pages        = {to appear},
 doi          = {10.1007/s10701-012-9646-8},
 note         = {\url{https://arxiv.org/abs/1107.6019}},
)
@article(ViennaIndef,
 author       = {O. Oreshkov and F. Costa and C. Brukner},
 year         = {2012},
 title        = {Quantum correlations with no causal order},
 journal      = {Nature Communication},
 volume       = {1092},
 number       = {3},
 doi          = {10.1038/ncomms2076},
)
@incollection(SelingerSurvey,
 author       = {P. Selinger},
 year         = {2011},
 title        = {A survey of graphical languages for monoidal categories},
 editor       = {B. Coecke},
 booktitle    = {New Structures for Physics},
 series       = {Lecture Notes in Physics},
 publisher    = {Springer-Verlag},
 pages        = {275--337},
 doi          = {10.1007/978-3-642-12821-9\_4},
 note         = {\url{https://arxiv.org/abs/0908.3347}},
)