title = {A Hierarchical Approach to Covariance Function Estimation for Time
Series},
author = {Michael J. Daniels and Noel Cressie}, day = {121}, journal = {Journal of Time Series Analysis}, month = {May}, note = {doi: 10.1111/1467-9892.00222}, number = {3}, pages = {253--266}, url = {http://www.blackwell-synergy.com/doi/abs/10.1111/1467-9892.00222}, volume = {22}, year = {2001},
keywords = {imported }