...
The scientific documentation of the COSMO model is available on the COSMO webpage. The All parts of the documentation for model version 5.00 (November 2013) and 5.05 (February 2018) are now holding a DOI and are stored permanently. The documentation includes the documentation of the COSMO model, the pre-processing program INT2LM and a User's Guide. It is updated regularly. However, it is never "up to date" since the documentation takes a lot of time. Recent developments are documented in COSMO Technical Reports and in articles in the COSMO-Newsletters.
...