References
- Cramér, H. (1946). Mathematical Methods of Statistics. Princeton: Princeton University Press.
- ISO - International Organization for Standardization. (1995). Guide to the Expression of Uncertainty of Measurement (GUM). ISBN 91-67-10188-9. Geneve, Switzerland.
- Mood, R.M., Graybill, F.A., Boes, D. (1974). Introduction to the Theory of Statistics (3rd Edition). McGraw Hill Companies.
- Köning, R. (2007). Photoelectric signal from the 4 μm wide reflective line in the PTB Nanokomparator. (Private communication), 2007.