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A no-arbitrage approach to range-based estimation of return covariances and correlations
Brandt, Michael W., (2003)
Range-based estimation of stochastic volatility models or exchange rate dynamics are more interesting than you think
Alizadeh, Sassan, (2000)
High- and low-frequency exchange rate volatility dynamics : range-based estimation of stochastic volatility models
Alizadeh, Sassan, (2001)