@incollection{Nicola_1990,
    doi = {10.1007/3-540-53479-2_17},
    url = {https://doi.org/10.1007%2F3-540-53479-2_17},
    year = {1990},
    publisher = {Springer Berlin Heidelberg},
    pages = {407--419},
    author = {Rocco Nicola and Frits Vaandrager},
    title = {Action versus state based logics for transition systems},
    booktitle = {Semantics of Systems of Concurrent Processes}
}

@incollection{Nicola_1990, doi = {10.1007/3-540-53479-2_17}, url = {https://doi.org/10.1007%2F3-540-53479-2_17}, year = {1990}, publisher = {Springer Berlin Heidelberg}, pages = {407--419}, author = {Rocco Nicola and Frits Vaandrager}, title = {Action versus state based logics for transition systems}, booktitle = {Semantics of Systems of Concurrent Processes} }