1. Abe, H. and S. Marumo. 1974. Mass spectra of indoleacetic acid and its chloroderivatives. Agr. Biol. Chem., 38: 1537–1538.
2. Ahmad, A., A. S. Andersen and K. C. Engvild. 1985. Pea cuttings, chloroindole auxins and ethylene. Physiol. Plant., Suppl. XX: X XX.
3. Blakesley, D., J. F. Hall, G. D. Weston and M. C. Elliot. 1983. Simultaneous analysis of indole-3-acetic acid and detection of 4-chloroindole-3-acetic acid and 5-hydroxyindole-3-acetic acid in plant tissues by high-performance liquid chromatography of their 2-methylindolo-oc-pyrone derivatives. J. Chromatography, 258: 155–164.
4. Block, A. McB and R. G. Clements. 1975. Structure-activity correlations for phenoxyacetic acids and indoleacetic acids used for plant growth regulation. Int. J. Quantum Chem: Quantum Biology Symp. No. 2: 197–202.
5. Böttger, M., K. C. Engvild and P. Kaiser. 1978. Response of substituted indoleacetic acids in the indolo-oc-pyrone fluorescence determination. Physiol. Plant., 43: 62–64.