14th-order harmonics in the geopotential from analysis of satellite orbits at resonance

15 colour photometry of Landolt SA95 standard star field

15 Eunomia Average CCD Spectrum

15 GHz compact structure in galactic nuclei

15 GHz Monitoring of CGRaBS Blazar Candidates with the OVRO 40-meter Telescope in Support of Fermi

15 GHz Monitoring of Gamma-ray Blazars with the OVRO 40 Meter Telescope in Support of Fermi

15 GHz Monitoring Of Gamma-ray Blazars With The OVRO 40 Meter Telescope In Support Of Fermi-GST

15 GHz Monitoring of the Gravitational Lens MG 0414+0534

15 GHz Radio Variability of Gamma-Ray Blazars

15 GHz space VLBI observations using an antenna on a TDRSS satellite

15 GHz VLA observations of the radio galaxies 3C 166 and 3C 411

15 Jahre Weltraumteleskop Hubble. Chronik der Mission

15 keV - 1 MeV Observations of NGC 4151 and NGC 5128 by HEAO A-4

15 meter multiple mirror telescope design study

15 Micron Infrared Space Observatory Observations of the 1415+52 Canada-France Redshift Survey Field: The Cosmic Star Formation Rate as Derived from Deep Ultraviolet, Optical, Mid-Infrared, and Radio Photometry

15 MPC Structure at 2.1 < Z < 3.3 from the Lyalpha Forest

15 N isotope biogeochemistry and natural denitrification process in groundwater: Application to the chalk aquifer of northern France

15 New Variable Stars in Harvard Map, Nos. 7, 10, 16, and 19.

15 new variable stars in Harvard Maps Nos. 31 and 62

15 New Variable Stars in Harvard Maps Nos. 31 and 62.