Geodesic
Counterexamples for properties of line graphs of graphs of diameter two
Kragujevac Journal of Mathematics, Tome 34 (2010) no. 1 Cet article a éte moissonné depuis la source eLibrary of Mathematical Institute of the Serbian Academy of Sciences and Arts

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Some errors in a recently published paper [Ramane et al., Distance spectra and distance energies of iterated line graphs of regular graphs, {t Publ. Inst. Math.\/} {\bf 85} (2009) 39-46] are pointed out. These pertain to conditions under which the iterated line graphs of a graph of diameter two have also diameter two. 
@article{KJM_2010_34_1_a12,
     author = {Harishchandra S. Ramane and Ivan Gutman},
     title = {Counterexamples for properties of line graphs of graphs of diameter two},
     journal = {Kragujevac Journal of Mathematics},
     pages = {147 - 150},
     year = {2010},
     volume = {34},
     number = {1},
     url = {http://geodesic.mathdoc.fr/item/KJM_2010_34_1_a12/}
}
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Harishchandra S. Ramane; Ivan Gutman. Counterexamples for properties of line graphs of graphs of diameter two. Kragujevac Journal of Mathematics, Tome 34 (2010) no. 1. http://geodesic.mathdoc.fr/item/KJM_2010_34_1_a12/