@article{NSJOM_2007_37_2a_7,
     author = {D. Singh and A. M. Ibrahim and T. Yohanna and J. N. Singh},
     title = {An overview of the applications of multisets},
     journal = {Novi Sad Journal of Mathematics},
     pages = {773-92},
     year = {2007},
     volume = {37},
     number = {2},
     url = {http://geodesic.mathdoc.fr/item/NSJOM_2007_37_2a_7/}
}