Sayan Mukherjee, and Sanjay Kumar Palit. “A New Scientific Study towards Distinction of ECG Signals of a Normal Healthy Person and of a Congestive Heart Failure Patient”. Journal of International Academy of Physical Sciences, vol. 15, no. 4, Dec. 2011, pp. 413-3, https://www.iaps.org.in/journal/index.php/journaliaps/article/view/529.