13 C response surface resolves humidity and temperature signals in trees
13 C, TCO 2 , and the metabolism of organic carbon in deep sea sediments
13 Color Photometry of Be Stars
13 color photometry of Be stars.
13 Color Photometry of Open Cluster M48
13 Egeria CCD Spectrum
13 mm cryogenically cooled receiver system.
13 mm cryogenically-cooled system and observations for interstellar molecules.
13 neue Veränderliche
13 New Eclipsing Binaries with Additional Variability in the ASAS Catalogue
13 New Saturnian Moons
13 Years of SOHO/CELIAS/SEM Calibrated Solar Extreme Ultraviolet Irradiance Data
13 Years of Timing of PSR B1259-63
13+38 XMM-Newton/ROSAT 1.4GHz radio catalog (Seymour+, 2004)
13-color photometry of 1380 bright stars (Johnson+ 1975)
13-COLOR Photometry of 16 Variable Be-Stars - Part One - Photometry
13-COLOR Photometry of B-Type Stars
13-COLOR Photometry of O-Stars
13-color photometry of pre-main sequence stars - Preliminary report and results
13-color photometry of solar-type stars.