Li Kejun. A Discussion of the Formula in the Calculation of the Column Density at Second Level of Hydrogen Atoms[J]. Publications of the Yunnan Observatory, 1991, (2): 19-23.
|
Citation:
|
Li Kejun. A Discussion of the Formula in the Calculation of the Column Density at Second Level of Hydrogen Atoms[J]. Publications of the Yunnan Observatory, 1991, (2): 19-23.
|
Li Kejun. A Discussion of the Formula in the Calculation of the Column Density at Second Level of Hydrogen Atoms[J]. Publications of the Yunnan Observatory, 1991, (2): 19-23.
|
Citation:
|
Li Kejun. A Discussion of the Formula in the Calculation of the Column Density at Second Level of Hydrogen Atoms[J]. Publications of the Yunnan Observatory, 1991, (2): 19-23.
|
DownLoad: