The Chemical Evolution of the Milky Way: Some Important Facts.- S ¿Á Fe Abundance Ratios in Galac...
A. Erbschäden mit Knochen- und Gelenkveränderungen.- I. Chondrodystrophia fetalis.- II. Die polyt...
Gas at temperatures exceeding one million degrees is common in the Universe. Indeed it is likely ...
Space experiments have opened practically all electromagnetic windows on the Universe. A discussi...
Space experiments have opened practically all electromagnetic windows on the Universe. A discussi...
This review of the most up-to-date observational and theoretical information concerning the chemi...