@misc{a+complete+gradient+clustering+algorithm+for+features+analysis+of+x+ray+images,
    author = {Charytanowicz, Małgorzata and Niewczas, Jerzy and Kulczycki, Piotr and Kowalski, Piotr Andrzej and Łukasik, Szymon and Żak, Sławomir},
    title = {A complete gradient clustering algorithm for features analysis of X-ray images},
    journal = {Information Technologies in Biomedicine / red. Ewa Pietka, Jacek Kawa},
    address = {Berlin ; Heidelberg},
    publisher = {Springer},
    date = {2010}
}