@article{NCD_2003_3_1_a2,
     author = {\v{Z}eljko Pajki\'c},
     title = {On the {Z39.50} standard},
     journal = {Review of the National Center for Digitization},
     pages = {26 - 35},
     publisher = {mathdoc},
     volume = {3},
     number = {1},
     year = {2003},
     url = {http://geodesic.mathdoc.fr/item/NCD_2003_3_1_a2/}
}