Books by Ludwig Biermann
Ludwig Biermann, 1907-1986
Ludwig Biermann, 1907-1986
Triplet transitions on neutral
Triplet transitions on neutral CO in the spectra of comets and the abundance of CO₂ or molecules containing the CO group in comets
Cosmic gas dynamics
Über den Entstehungsort des Pl
Über den Entstehungsort des Plasmas, welches die Kometenschweife bildet
On the emission of atomic hydr
On the emission of atomic hydrogen in comets