H. Cramér, Mathematical Methods of Statistics, ser, 1946.

Y. Rockah and P. Schultheiss, Array shape calibration using sources in unknown locations--Part I: Far-field sources, IEEE Transactions on Acoustics, Speech, and Signal Processing, vol.35, issue.3, pp.286-299, 1987.
DOI : 10.1109/TASSP.1987.1165144

H. Messer, The Hybrid Cramer-Rao Lower Bound - From Practice to Theory, Fourth IEEE Workshop on Sensor Array and Multichannel Processing, 2006., pp.304-307, 2006.
DOI : 10.1109/SAM.2006.1706142

A. M. Guarnieri and S. Tebaldini, Hybrid CramÉr–Rao Bounds for Crustal Displacement Field Estimators in SAR Interferometry, IEEE Signal Processing Letters, vol.14, issue.12, pp.1012-1015, 2007.
DOI : 10.1109/LSP.2007.904705

S. Bay, C. Herzet, J. Brossier, J. Barbot, and B. Geller, Analytic and Asymptotic Analysis of Bayesian CramÉr–Rao Bound for Dynamical Phase Offset Estimation, IEEE Transactions on Signal Processing, vol.56, issue.1, pp.61-70, 2008.
DOI : 10.1109/TSP.2007.906760

P. Amblard, J. Brossier, and E. Moisan, Phase tracking: what do we gain from optimality? Particle filtering versus phase-locked loops, Signal Processing, vol.83, issue.1, pp.151-167, 2003.
DOI : 10.1016/S0165-1684(02)00386-9

J. A. Mcneill, Jitter in ring oscillators, 1994.