1. Lavoisier AL (1789) Traite Elementaire de Chimie, 2nd edn, (1793) translated by R. Kerr, Edinburgh
2. Priestley J (1790) Experiments and observations on different kinds of air, Pearson, Birmingham, vol III, Book VIII, Part I, Sect. XII, p 126
3. Priestley J quoted by Lavoisier AL [1] p 520
4. Gesner C (1599) The practise of the new and old phisicke, Short, London, p 23
5. Priestley J (1772) Phil. Trans. Roy. Soc. (London) 62: 147