@article{DMGAA_2020_40_2_a0,
     author = {Lehtonen, Erkko and Manyuen, Chaowat},
     title = {Graph {Varieties} {Axiomatized} by {Semimedial,} {Medial,} and {Some} {Other} {Groupoid} {Identities}},
     journal = {Discussiones Mathematicae. General Algebra and Applications},
     pages = {143--157},
     publisher = {mathdoc},
     volume = {40},
     number = {2},
     year = {2020},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/DMGAA_2020_40_2_a0/}
}