?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=Intelligent+Urban+Positioning+using+Multi-Constellation+GNSS+with+3D+Mapping+and+NLOS+Signal+Detection&rft.creator=Groves%2C+PD&rft.creator=Jiang%2C+Z&rft.creator=Wang%2C+L&rft.creator=Ziebart%2C+MK&rft.date=2012-09-30&rft.type=Proceedings+paper&rft.language=eng&rft.source=+++++In%3A++Proceedings+of+ION+GNSS+2012.+++++(2012)+++++&rft.format=application%2Fpdf&rft.identifier=https%3A%2F%2Fdiscovery.ucl.ac.uk%2Fid%2Feprint%2F1394444%2F1%2F0681.pdf&rft.identifier=https%3A%2F%2Fdiscovery.ucl.ac.uk%2Fid%2Feprint%2F1394444%2F&rft.rights=open