SCHREIER, L. Induction Machine Model with Consideration of Zero Sequence of Stator Currents. In: NADOLSKI, R., ed. XXXVIII International Symposium on Electrical Machines - SME 2002. Kielce: Wydawnictwo Politechniki Swietokrzyskiej, 2002, s. 445-455. ISBN 83-88906-02-X.