Бюро по демократическим институтам и правам человека
The approach is described in detail in the National Democratic Institute (NDI)'s "The Quick Count and Election Observation". It is also briefly described in section 10B of the "Handbook for Domestic Election Observers", published by the Office for Democratic Institutions and Human Rights (ODIHR), which is part of the Organization for Security and Co-operation in Europe (OSCE).