@article{KJM_2012_36_1_a13,
     author = {Gopalapillai Indulal},
     title = {Spectrum of two new joins of graphs and infinite families of integral graphs},
     journal = {Kragujevac Journal of Mathematics},
     pages = {133 },
     publisher = {mathdoc},
     volume = {36},
     number = {1},
     year = {2012},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/KJM_2012_36_1_a13/}
}