Shimotsu K, Phillips PCB (2005) Exact local whittle estimation of fractional integration. Ann Stat 33:1890– 1933
Nakamoto S (2008) Bitcoin: a peer-to-peer electronic cash system. https://bitcoin.org/bitcoin.pdf
Diebold, F. X. and Yilmaz, K. (2012). Better to give than to receive: Predictive directional measurement of volatility spillovers. International Journal of Forecasting, 28(1):57–66. Special Section 1: The Predictability of Financial Markets Special Section 2: Credit Risk Modelling and Forecasting.