Chihping Wang. The complexity of processing tree queries in distributed databases. In SPDP. pages 604-611, 1990. [doi]
@inproceedings{Wang90:1, title = {The complexity of processing tree queries in distributed databases}, author = {Chihping Wang}, year = {1990}, doi = {10.1109/SPDP.1990.143612}, url = {http://dx.doi.org/10.1109/SPDP.1990.143612}, researchr = {https://researchr.org/publication/Wang90%3A1}, cites = {0}, citedby = {0}, pages = {604-611}, booktitle = {SPDP}, }