1. Handbook of Mathematical Functions;Abramowitz,1968
2. Exponentially decreasing distributions for the logarithm of particle size;Barndorff-Nielsen;Proc. Roy. Soc. London A,1977
3. O.E. Barndorff-Nielsen, Normal inverse Gaussian processes and the modelling of stock returns, Research Report 300, Department Theoretical Statistics, Aarhus University, 1995.
4. Normal inverse Gaussian distributions and stochastic volatility modelling;Barndorff-Nielsen;Scand. J. Statist.,1997
5. Processes of normal inverse Gaussian type;Barndorff-Nielsen;Finance Stoch.,1998