@article{OR00, author = {O'Donnell, J. and R\"{u}nger, G.}, title = {{Abstract Parallel Machines}}, journal = {Computers and Artificial Intelligence, (to be continued as Computing and Informatics)}, volume = {19}, number = {2}, pages = {105--129}, year = {2000}, issn = {0232-0274}, publisher = {Slovak Academy of Sciences}, }