Atomic-Physics University of Bonn https://www.uni-bonn.de/de https://www.iap.uni-bonn.de/de Programming languages FORTRAN - https://en.wikipedia.org/wiki/Fortran Pascal - https://en.wikipedia.org/wiki/Pascal_(programming_language) PLI - https://en.wikipedia.org/wiki/PL/I HfS spectroscopy Hyperfine-structure (Hfs) analyses and data fitting