1. Graupe Extracting fetal from maternal ECG for early diagnosis : theoretical problems and solutions In Fifth IASTED International Conference engineering;Zhong;Proc biomedical,2007
2. Investigation of blind source separation methods for extraction of fetal In on and;Ananthanag;Canadian Conference Electrical Computer Engineering IEEE,2003
3. online reference documentation Available at http doc qt digia com Accessed;December;Online,2012
4. of fetal processing issues promising directions Open Pacing;Sameni;review signal Ther,2010
5. Adaptive noise cancelling principles applications;Widrow;Proc IEEE,1975