@article{SJC_2012_6_1_a9,
     author = {Laskov, Lasko},
     title = {Adaptive {Document} {Image} {Binarization} with {Application} in {Processing} {Astronomical} {Logbooks}},
     journal = {Serdica Journal of Computing},
     pages = {111--120},
     publisher = {mathdoc},
     volume = {6},
     number = {1},
     year = {2012},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SJC_2012_6_1_a9/}
}