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- [1] Comparison of electron density profiles for Delhi with corresponding profiles obtained from IRI-90 LOW AND EQUATORIAL LATITUDES IN THE INTERNATIONAL REFERENCE IONOSPHERE (IRI), 1996, 18 (06): : 39 - 40
- [2] Comparison of electron density profiles for Delhi with corresponding profiles obtained from IRI-90 Adv Space Res, 6 (39):
- [8] Electron density profiles derived from ground-based GPS observations JOURNAL OF NAVIGATION, 2006, 59 (03): : 395 - 401