?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=On+Straightening+Low-Diameter+Unit+Trees&rft.creator=Poon%2C+Sheung-Hung&rft.subject=Z.999+Others&rft.description=A+polygonal+chain+is+a+sequence+of+consecutively+joined+edges+embedded+in+space.+A+k-chain+is+a+chain+of+k+edges.+A+polygonal+tree+is+a+set+of+edges+joined+into+a+tree+structure+embedded+in+space.+A+unit+tree+is+a+tree+with+only+edges+of+unit+lenght.+A+chain+or+a+tree+is+simple+if+non-adjacent+edges+do+not+intersect.+...&rft.contributor=Healy%2C+Patrick&rft.contributor=Nikolov%2C+Nikola+S.&rft.date=2006&rft.type=Conference+Poster&rft.type=NonPeerReviewed&rft.identifier=Poon%2C+Sheung-Hung+(2006)+On+Straightening+Low-Diameter+Unit+Trees.+[Conference+Poster]&rft.relation=http%3A%2F%2Fgdea.informatik.uni-koeln.de%2F731%2F