The Sahel-Doukkala Information Network (SaDIN) - A regional online geoinformation system. - Ralf Löwner; Abdellatif Souhel (EnviroInfo (2), 2004)

SaDIN (Sahel-Doukkala Information Network) Progress in the Realisation of an Online Geoinformation System in Morocco. - Ralf Löwner; Abdellatif Souhel (EnviroInfo, 2005)

Field Data and the Gas Hydrate Markup Language. - Ralf Löwner; Georgy Cherkashov; Ingo Pecher; Y. F. Makogon (Data Sci. J., 2007)

A Hydrate Database: Vital to the Technical Community. - Dendy E. Sloan; Fedor Kuznetsov; Krishan Lal; Ralf Löwner; Y. F. Makogon; George Moridis; John Ripmeester; Jean-Jacques Royer; Tom Smith; Bahman Tohidi; Tsutomu Uchida; Runqiang (Jason) Wang; et al. (Data Sci. J., 2007)