00255nam a2200097Ia 4500008004100000022001400041040001100055245002000066260006200086300000900148251112s9999||||xx |||||||||||||| ||und||  a0094-2405  aCNCLSA 0aMedical Physics  cOctober, 2005bThe Americam Institute Of PhysicsaU. S. A  bV.32