@article{NCD_2011_19_1_a2,
     author = {Nade\v{z}da Pejovi\'c and \v{Z}arko Mijajlovi\'c},
     title = {Early {Astronomical} {Heritage} in {Virtual} {Library}  {Of} {Faculty} of {Mathematics} in {Belgrade}},
     journal = {Review of the National Center for Digitization},
     pages = {11 - 25},
     publisher = {mathdoc},
     volume = {19},
     number = {1},
     year = {2011},
     url = {http://geodesic.mathdoc.fr/item/NCD_2011_19_1_a2/}
}