1. N. Ramsey: Molecular Beams (Clarendon, Oxford 1956; Paperback 1985)
2. J.M. Pendlebury, K.F. Smith: Molecular beams. Contemp. Phys. 28, 3 (1987)
3. J.F. O’Hanlon: A User Guide to Vacuum Technology, 2nd edn. (Wiley, New York 1989)
4. J.M. Lafferty: Foundations of Vacuum Science and Technology (Wiley, New York 1998)
5. A.N. Nesmeyanov: Vapor Pressure of the Elements (Academic Press, New York 1963)