@Article{isprs-archives-XL-2-173-2014,
AUTHOR = {Afifi, A. and El-Rabbany, A.},
TITLE = {Enhanced model for precise point positioning with single and dual frequency GPS/Galileo observables},
JOURNAL = {The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences},
VOLUME = {XL-2},
YEAR = {2014},
PAGES = {173--177},
URL = {https://isprs-archives.copernicus.org/articles/XL-2/173/2014/},
DOI = {10.5194/isprsarchives-XL-2-173-2014}
}