TY - CPAPER AU - Marek Sikora AU - G. Madejski AU - Jean-Pierre Lasota AU - Mitchell Begelman BT - AIP CY - Torun (Poland) DO - 10.1063/1.2141855 PB - AIP PP - Torun (Poland) PY - 2005 SP - 165 EP - 172 T2 - AIP TI - Are Quasar Jets Matter or Poynting Flux Dominated? VL - 801 ER -