1. Qualitative und quantitative unters. chiede der lignine uniger Holz-und Stroharten;Beckmann E.;Biochem. Ztschr.,1923
2. Sugar in oat straw and cattle foods;Collins S.;Jour. Soc. Chem. Indus. Trans.,1920
3. The chemical composition of Ambrosia trífida at successive growth stages;Dustman R. B.;Jour. Amer. Soc. Agron.,1931
4. Semi-micrométodo de Jonesco para a dosagem de glicose;Freitas G. Gomes de;Publ. Secret. Agr. Ind. Com. Rio-Grande-do-Sul. Bol.,1939
5. On the origin of lignin in the cell wall;Griffioen K.;Recueil des Travaux Botaniques Neerlandais,1937