?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=Johnson%2C+Luke+R.&rft.aufirst=Luke+R.&rft.aulast=Johnson&rft.date=2007&rft.title=Symmetry+is+an+organizing+principle+in+neuronal+dendrotaxis&rft.genre=proceeding