1. Frankland, B. and Taylorson, R., 1983. Light control of seed germination. In: Encyclopedia of Plant Physiology, New Series, 16A, Photomorphogenesis, Shropshire, Jr., W. and Mohr, H. eds., pp. 428–456, Springer-Verlag, Berlin.
2. Salisbury, F. B. and Ross, C. W., 1985. Plant Physiology. Third edition. Wadsworth, Belmont (California).
3. Schäfer, E., 1975. A new approach to explain the ‘high irradiance responses’ of photomorphogenesis on the basis of phytochrome. J. Math. Biol.
2, 41–56.
4. Thomas, B., 1981. Specific effects of blue light on plant growth and development. In: Plants and the Daylight Spectrum, Smith, H. ed., pp. 443–459, Academic Press, London.
5. Wall, J. J. and Johnson, C. B., 1983. An analysis of phytochrome action in the ‘high irradiance response’. Planta
159, 387–397.