@inproceedings{Asperti_2013,
    doi = {10.1109/lics.2013.35},
    url = {https://doi.org/10.1109%2Flics.2013.35},
    year = {2013},
    month = {jun},
    publisher = {{IEEE}},
    author = {Andrea Asperti and Jean-Jacques Levy},
    title = {The Cost of Usage in the ?-Calculus},
    booktitle = {2013 28th Annual {ACM}/{IEEE} Symposium on Logic in Computer Science}
}

@inproceedings{Asperti_2013, doi = {10.1109/lics.2013.35}, url = {https://doi.org/10.1109%2Flics.2013.35}, year = {2013}, month = {jun}, publisher = {{IEEE}}, author = {Andrea Asperti and Jean-Jacques Levy}, title = {The Cost of Usage in the ?-Calculus}, booktitle = {2013 28th Annual {ACM}/{IEEE} Symposium on Logic in Computer Science} }