@article{SILVERT_2001,
    doi = {10.1080/03081070108960709},
    url = {https://doi.org/10.1080%2F03081070108960709},
    year = {2001},
    month = {jan},
    publisher = {Informa {UK} Limited},
    volume = {30},
    number = {3},
    pages = {261--282},
    author = {WILLIAM SILVERT},
    title = {{MODELLING} {AS} A {DISCIPLINE}},
    journal = {International Journal of General Systems}
}

@article{SILVERT_2001, doi = {10.1080/03081070108960709}, url = {https://doi.org/10.1080%2F03081070108960709}, year = {2001}, month = {jan}, publisher = {Informa {UK} Limited}, volume = {30}, number = {3}, pages = {261--282}, author = {WILLIAM SILVERT}, title = {{MODELLING} {AS} A {DISCIPLINE}}, journal = {International Journal of General Systems} }