We have been looking for this document on the Web. We think we have found the following, freely available version(s) of it: http://www.nd.edu/%7Eodaescu/././isaac97.pdf/efficient-parallel-algorithms-for.pdfhttp://www.nd.edu/~odaescu/././isaac97.ps.gz/efficient-parallel-algorithms-for.pshttp://www.utdallas.edu/~daescu/papers/stgraph.psFor further information about this item go to:http://link.springer.de/link/service/journals/00453/contents/02/0995/index.html