@incollection{Nordvall_Forsberg_2010,
    doi = {10.1007/978-3-642-15205-4_35},
    url = {https://doi.org/10.1007%2F978-3-642-15205-4_35},
    year = {2010},
    publisher = {Springer Berlin Heidelberg},
    pages = {454--468},
    author = {Fredrik Nordvall Forsberg and Anton Setzer},
    title = {Inductive-Inductive Definitions},
    booktitle = {Computer Science Logic}
}

@incollection{Nordvall_Forsberg_2010, doi = {10.1007/978-3-642-15205-4_35}, url = {https://doi.org/10.1007%2F978-3-642-15205-4_35}, year = {2010}, publisher = {Springer Berlin Heidelberg}, pages = {454--468}, author = {Fredrik Nordvall Forsberg and Anton Setzer}, title = {Inductive-Inductive Definitions}, booktitle = {Computer Science Logic} }