?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=Nee%2C+G.K.&rft.aulast=Nee&rft.aufirst=G.K.&rft.issn=20780958&rft.isbn=9789881925169%3B+9789881925114&rft.title=Visual+representation+of+searched+results+using+tree+diagram&rft.date=2012&rft.genre=proceeding