2006

• Clifford GD, Azuaje F, McSharry PE (eds.). Advanced Methods and Tools for ECG Analysis, volume 1 of Engineering in Medicine and Biology. 1 edition. Norwood, MA, USA: Artech House, October 2006. ISBN 1-58053-966-1.
• Clifford GD, Oefinger MB. Ch 2: ECG Acquisition, Storage, Transmission, and Representation in Advanced Methods and Tools for ECG Analysis, volume 1 of Engineering in Medicine and Biology. 1 edition. Norwood, MA, USA: Artech House, October 2006; 27-53. ISBN 1-58053-966-1. 
• Clifford GD. Ch 3: ECG Statistics, Noise, Artifacts, and Missing Data in Advanced Methods and Tools for ECG Analysis, volume 1 of Engineering in Medicine and Biology. 1 edition. Norwood, MA, USA: Artech House, October 2006; 55-99. ISBN 1-58053-966-1. 
• Clifford GD. Ch 5: Linear Filtering MethodsAdvanced Methods and Tools for ECG Analysis, volume 1 of Engineering in Medicine and Biology. 1 edition. Norwood, MA, USA: Artech House, October 2006; 135-170. ISBN 1-58053-966-1. 
• McSharry PE, Clifford GD. Ch 4: Models for ECG and RR interval Processes in Advanced Methods and Tools for ECG Analysis, volume 1 of Engineering in Medicine and Biology. 1 edition. Norwood, MA, USA: Artech House, October 2006; 101-133. ISBN 1-58053-966-1.
• McSharry PE, Clifford GD. Ch 6: Nonlinear Filtering Methods in Advanced Methods and Tools for ECG Analysis, volume 1 of Engineering in Medicine and Biology. 1 edition. Norwood, MA, USA: Artech House, October 2006; 171-196. ISBN 1-58053-966-1. 
• Reisner AT, Clifford GD, Mark RG. Ch 1: The Physiological Basis of the Electrocardiogram in Advanced Methods and Tools for ECG Analysis, volume 1 of Engineering in Medicine and Biology. 1 edition. Norwood, MA, USA: Artech House, October 2006; 1-25. ISBN 1-58053-966-1.