Septimus Piesse: On the Colouring Principle of Volatile Oils. In: Chemical News. Nr.8, 1863, S.245 (online [abgerufen am 2. März 2015]).
researchgate.net
Joel Reza, Arturo Trejo, Luz Elena Vera-Ávila: Determination of the temperature dependence of water solubilities of polycyclic aromatic hydrocarbons by a generator column-on-line solid-phase extraction-liquid chromatographic method. In: Chemosphere. Nr.47, 2002, S.933–945 (online [PDF; abgerufen am 2. März 2015]).