Have you read The Darkest Days on the same subject as Clive Ponting's 13 Days?
Short answerYes, and it is worth reading. Ponting's account is preferred here for its treatment of the Serbian side.
NotesThe Darkest Days and Clive Ponting's 13 Days are both recommended. Ponting's book is preferred for the particular question about Serbia being researched because its treatment of the Serbian side is considered stronger.