@article{NCD_2003_2_1_a5,
     author = {Nikola Ikonomov},
     title = {Preservation and {Digital} {Restoration} of {Audio} {Archives}},
     journal = {Review of the National Center for Digitization},
     pages = {40 - 45},
     publisher = {mathdoc},
     volume = {2},
     number = {1},
     year = {2003},
     url = {http://geodesic.mathdoc.fr/item/NCD_2003_2_1_a5/}
}