@misc{application+of+approximation+technique+to+on+line+updating+of+the+actual+cost+curve+in+the+earned+value+method,
    author = {Kozień, Ewa},
    title = {Application of approximation technique to on-line updating of the actual cost curve in the earned value method},
    journal = {Technical Transactions},
    address = {Kraków},
    publisher = {<a href=\"http://www.wydawnictwo.pk.edu.pl/\" target=\"_blank\">Wydawnictwo PK</a>},
    date = {2017},
    number = {Y. 114, vol. 9}
}