@misc{energy+conversion+in+small+water+plants+with+variable+speed+pm+generator,
    author = {Sobczyk, Tadeusz i Mazgaj, Witold i Szular, Zbigniew i Węgiel, Tomasz},
    title = {Energy conversion in small water plants with variable speed PM generator},
    journal = {Archives of Electrical Engineering},
    date = {2011},
    number = {Vol. 60 (2)},
    ISSN = {1427-4221}
}