Philip A. Bernstein, Nathan Goodman. The power of inequality semijoins. Inf. Syst., 6(4):255-265, 1981.
@article{BernsteinG81, title = {The power of inequality semijoins}, author = {Philip A. Bernstein and Nathan Goodman}, year = {1981}, researchr = {https://researchr.org/publication/BernsteinG81}, cites = {0}, citedby = {0}, journal = {Inf. Syst.}, volume = {6}, number = {4}, pages = {255-265}, }