[IEEE 2009 1st International Conference on Advancements in Nuclear Instrumentation, Measurement Methods and their Applications (ANIMMA) - Marseille, France (2009.06.7-2009.06.10)] 2009 1st International Conference on Advancements in Nuclear Instrumentation, Measurement Methods and their Applications - Application of integral ex-core and differential in-core neutron measurements for adjustment of fuel burn-up distributions in VVER-1000