1. van den Berg, T.J.T.P., van Spronsen, R., van Veenendaal, W.G. and Greve, E.L. Psychophysics of intensity discrimination in relation to defect volume examination on the Scoperimeter. To be published in Docum. Ophthalmol. Proc. Series.
2. Dannheim, F. Mechanisms for comparing visual fields and their storage in the evaluation of glaucoma. Acta on the 24th Int. Congr. of Ophthalmol., Ed. P. Henkind. Philadelphia, Lippincott. Vol. 1: 654–656 (1983).
3. Drance, S.M. Automatic perimetry: the current state of art. Acta of the 24th Int. Congr. of Ophthalmol., Ed. P. Henkind. Philadelphia, Lippincott. Vol. 1: 160–161(1983).
4. Epoch, J. Quantitative layer-by-layer perimetry. Invest. Ophthalmol. 17: 1–9–257 (1978).
5. Epoch, J. Perimetry. Today and tomorrow. Docum. Ophthalmol. 55: 307 – 322 (1983).