@inproceedings{Shadaydeh08_FECG,<br>  author = {Maha Shadaydeh and Yegui Xiao and Rabab K. Ward},<br>  title = {Extraction of fetal ECG using adaptive Volterra filters},<br>  booktitle = {European Signal Processing Conference},<br>  pages = {1--5},<br>  year = {2008},<br>}<br>