Keywords: Griess-scan.png Griess-scan de wikipedia CommonsHelper <br/> Centralblatt Nr 7 11 Jahrg 1866 S 1 original text 1 Chemisches Zentralblatt 2008-09-13 Peter Griess PD-old original upload log page de wikipedia Griess-scan png 2008-09-13 18 21 Muellerb 2000×837× 633747 bytes <nowiki> Andere Versionen </nowiki> Aromatic hydrocarbons Azo compounds |