1. Armstrong G.M., Rohrbaugh L.M., Rice E.L. and Wender S.H. 1970. The effect of nitrogen deficiency on the concentration of caffeoylquinic acids and scopolin in tobacco. Phytochemistry, 9, 945–948.
2. Bate-Smith E.C. 1962. The phenolic constituents of plants and their taxonomic significance. 1. Dicotyledons. Journal of the Linnean Society, 58, 95–173.
3. Bate-Smith E.C. 1968. The phenolic constituents of plants and their taxonomic significance. II. Monocotyledons. Journal of the Linnean Society, 60, 325–356.
4. Batistic L. and Mayaudon J. 1970. [Biological stabilization of C-14 labelled ferulic, vanillic and p-coumaric acids in soil]. Annales Institute Pasteur (Paris), 118, 199–206.
5. Bondietti E., Martin J.P. and Haider K. 1972. Stabilization of amino sugar units in humic-type polymers. Soil Science Society of America Proceedings 36, 597–602.