Irena Rusu. Building counterexamples. Discrete Mathematics, 171(1-3):213-227, 1997. [doi]
@article{Rusu97:0, title = {Building counterexamples}, author = {Irena Rusu}, year = {1997}, doi = {10.1016/S0012-365X(96)00081-7}, url = {http://dx.doi.org/10.1016/S0012-365X(96)00081-7}, researchr = {https://researchr.org/publication/Rusu97%3A0}, cites = {0}, citedby = {0}, journal = {Discrete Mathematics}, volume = {171}, number = {1-3}, pages = {213-227}, }