@misc{numerical+investigations+on+ultrasonically+assisted+electrochemical+machining+process+usecm,
    author = {Skoczypiec, Sebastian},
    title = {Numerical investigations on Ultrasonically Assisted Electrochemical Machining Process (USECM)},
    journal = {Proceedings of the 15<sup>th</sup> International Symposium on Electromachining (ISEM XV) / pod red. K. P. Rajurkar, Ralph P. Resnick, Murali M. Sundaram},
    publisher = {University of Nebraska-Lincoln, Industrial & Management Systems Engineering},
    date = {2007}
}