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@article{DING92, author = {Ding, Guoli}, doi = {10.1002/jgt.3190160509}, issn = {1097-0118}, journal = {Journal of Graph Theory}, month = {November}, number = {5}, pages = {489–502}, publisher = {Wiley}, title = {Subgraphs and well‐quasi‐ordering}, url = {http://dx.doi.org/10.1002/jgt.3190160509}, volume = {16}, year = {1992} }