@article{Nolte/Voev2011b, author = {Nolte, Ingmar and Voev, Valeri}, title = {Least Squares Inference on Integrated Volatility and the Relationship between Efficient Prices and Noise}, volume = {30}, number = {1}, pages = {94-108}, year = {2012}, doi = {10.1093/jjfinec/nbq033}, journal = {Journal of Business \& Economic Statistics} }