It's an ACM publication, when in doubt search their digital library: https://dl.acm.org/doi/10.1145/1273445.1273458 https://dl.acm.org/doi/10.1145/1273445.1273

It's an ACM publication, when in doubt search their digital library: https://dl.acm.org/doi/10.1145/1273445.1273458 https://dl.acm.org/doi/10.1145/1273445.1273458 is their entry for it with the following: https://doi.org/10.1145/1273445.1273458 https://doi.org/10.1145/1273445.1273458