Leivaditis, A., 		Singh, A., 		Stamoulis, G., 		Thilikos, D., 		Tsatsanis, K., & 		Velona, V.
(2019).
 Minor-obstructions for apex sub-unicyclic graphs.
<em>Acta Mathematica Universitatis Comenianae, 88</em>(3), 903-910.
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