§§ 355-510cHans-Jürgen Ahrens, Hans-Günther Borck, Hans-Eike Keller, Barbara Völzmann-Stickelbrock · First published 2010Open the Tome
Das Verfahren in UWG-Sachen unter besonderer Berücksichtigung der aussergerichtlichen StreiterledigungHans-Jürgen Ahrens · First published 1985Open the Tome
Origin and Distribution of the Elements (Physics and chemistry of the earth)Louis H. Ahrens · First published 1978Open the Tome
Quantitative spectrochemical analysis of silicatesLouis H. Ahrens · First published 1954Open the Tome