1. Anderson, L.S. and Mansfield, T.A. 1979 The effects of nitric oxide pollution on the growth of tomato. Environ. Pollut. 20, 113–121.
2. Andrussow, L. 1969 Dynamische Konstanten. In: Borchers, H., Hausen, H., Hellwege, K-H. and Schmidt, E. (eds.), Landolt-Bornstein Zahlenwerte und Funktionen aus Physik, Chemie, Astronomie, Geophysik und Technik. Vol. 2(5A), pp. 1–729 ( 6th ed. ), Springer-Verlag, Berlin.
3. Allison, F.E. 1955 The enigma of soil nitrogen balance sheets. Adv. Agron. 7, 213–250.
4. Allison, F.E. 1966 The fate of nitrogen applied to soils. Adv. Agron. 18, 219–258.
5. Allison, F.E. and Sterling, de tar L. 1948 Gaseous losses of nitrogen from green plants. II. Studies with excised leaves in nutrient media. Plant Physiol. 23, 601–8.