1. Separation and Determination of Acetic and Lactic Acids by Paper Partition Chromatography and Its Application to Silages;Birk;Analyst,1955
2. Botttni, E. Determination of Acetic and Butyric Acid in Ensiled Feeding Stuffs (translated title). Annuar. regia staz. chim. agrar Torino, 14, Part A, 41. 1940.
3. Chromatographic Determination of Volatile Fatty Acids in Silage (translated title);Brouwer;Chem. Weekblad,1950
4. Preparation and Evaluation of Silage as Indicated by Chemical Investigation (translated title);Engels;Deut. landwirtsch. Tierzucht,1936
5. Uniform Apparatus and Equations for the Determination of Acetic, Butyric, and Lactic Acids in Silages;Lepper;Tierernähr. Futtermittelk.,1938