kelson

n.

内龙骨；

Final Results from the Hubble Space Telescope Key Project to Measure the Hubble Constant
The Mammals of North América
The HST Key Project on the Extragalactic Distance Scale XIII. The Metallicity Dependence of the Cepheid Distance Scale
THE HUBBL E SPACE T EL ESCOPE KEY PROJECT ON THE EXTRAGALACTIC DISTANCE SCALE. XIII. THE METALLICITY DEPENDENCE OF THE CEPHEID DISTA...
The Hubble Space Telescope Key Project on the Extragalactic Distance Scale. XXV. A Recalibration of Cepheid Distances to Type Ia Sup...
A High Merger Fraction in the Rich Cluster MS1054-03 at z=0.83: Direct Evidence for Hierarchical Formation of Massive Galaxies
Descriptive epidemiology of bronchial reactivity in an adult population: results from a community study.
Hubble Space Telescope Photometry and Keck Spectroscopy of the Rich Cluster MS 1054–03: Morphologies, Butcher-Oemler Effect, and th...
Strongly pumped fiber lasers
The Extragalactic Distance Scale Key Project. III. The Discovery of Cepheids and a New Distance to M101 Using the Hubble Space Teles...