John A. Vince, Rae A. Earnshaw. Virtual worlds on the internet. IEEE, 1998.
@book{0096973, title = {Virtual worlds on the internet}, author = {John A. Vince and Rae A. Earnshaw}, year = {1998}, researchr = {https://researchr.org/publication/0096973}, cites = {0}, citedby = {0}, publisher = {IEEE}, isbn = {978-0-8186-8700-6}, }