A Simple Model for the Relationship Between Star Formation and Surface Density
A simple multistage closed-(box+reservoir) model of chemical evolution
A Simple Perspective on the Mass-Area Relationship in Molecular Clouds
A single-dish survey of the HCO+, HCN, and CN emission toward the T Tauri disk population in Taurus
A Sino-German $λ$6\ cm polarization survey of the Galactic plane VI. Discovery of supernova remnants G178.2-4.2 and G25.1-2.3
A Sino-German $λ$6\ cm polarization survey of the Galactic plane. V. Large supernova remnants
A Sino-German 6 cm polarization survey of the Galactic plane II. The region from 129 degree to 230 degree longitude
A Sino-German 6 cm polarization survey of the Galactic plane III. The region from 10 degree to 60 degree longitude
A Sino-German 6cm polarization survey of the Galactic plane IV. The region from 60deg to 129deg longitude
A Sino-German 6cm polarization survey of the Galactic plane VII. Small supernova remnants
A small slice of the Milky Way disk in SDSS
A Smoking Gun in the Carina Nebula
A spectral line survey of the starless and proto-stellar cores detected by BLAST toward the Vela-D molecular cloud
A spectroscopic census of the M82 stellar cluster population
A spectroscopic study of the Open Cluster NGC 6475 (M 7) Chemical Abundances from stars in the range T = 4500-10000 K
A spectroscopic survey of faint, high-galactic latitude red clump stars. II. The medium resolution sample
A spectroscopic survey of thick disc stars outside the solar neighbourhood
A spherical scalar-tensor galaxy model
A Spitzer Space Telescope far-infrared spectral atlas of compact sources in the Magellanic Clouds. II. The Small Magellanic Cloud
A Spitzer Space Telescope survey of massive young stellar objects in the G333.2-0.4 giant molecular cloud