Nikolic was the first Bosnian Serb officer to plead guilty to involvement in the killings of over 8,000 men and boys in the UN-protected enclave of Srebrenica in 1995.
Nikolic appealed against the sentence, arguing that it was harsher than the 15- to 20-year imprisonment the prosecution had requested.
Milosevic On Trial
For an archive of RFE/RL's coverage of the trial of former Yugoslav President Slobodan Milosevic, click here.
Of related interest: