(https://forum.paundurlic.com/proxy.php?request=http%3A%2F%2Fbooks.google.de%2Fbooks%3Fid%3DfrQDAAAAYAAJ%26amp%3Bpg%3DPA289%26amp%3Bimg%3D1%26amp%3Bzoom%3D3%26amp%3Bhl%3Dde%26amp%3Bsig%3DACfU3U30t2YyHSRWPRIulrRuNyyOX8G44A%26amp%3Bci%3D12%252C45%252C972%252C1488%26amp%3Bedge%3D0&hash=a04b2285fe7ff8ebd8f27ca0784aa9c2e6d49f61)
(https://forum.paundurlic.com/proxy.php?request=http%3A%2F%2Fbooks.google.de%2Fbooks%3Fid%3DfrQDAAAAYAAJ%26amp%3Bpg%3DRA1-PA227%26amp%3Bimg%3D1%26amp%3Bzoom%3D3%26amp%3Bhl%3Dde%26amp%3Bsig%3DACfU3U1kTx6UiVNGSa7JlNA258sltRU0eQ%26amp%3Bci%3D10%252C35%252C974%252C1629%26amp%3Bedge%3D0&hash=7d1b9367b158c212a491bbcc5c584663ef8811b3)
http://books.google.de/books?id=frQDAAAAYAAJ&dq=inauthor%3A%22Serbia%22&pg=RA1-PA227#v=onepage&q&f=false