TY - JOUR L1 - http://www.journals.pan.pl/Content/105853/PDF/02_paper.pdf L2 - http://www.journals.pan.pl/Content/105853 PY - 2009 IS - No 4 EP - 315 DO - 10.2478/v10175-010-0133-0 A1 - Schulz, D. VL - vol. 57 DA - 2009 T1 - Improved grid integration of wind energy systems SP - 311 UR - http://www.journals.pan.pl/dlibra/publication/edition/105853 T2 - Bulletin of the Polish Academy of Sciences Technical Sciences ER -