1. Cromwell L, Weibell FJ, Pfeiffer EA (2014) Biomedical Instrumentation and measurements. PHI Learning Private Limited, Second Edition, Delhi
2. Deng S-W, Han J (2016) Towards heart sound classification without segmentation via autocorrelation feature and diffusion maps. Elsevier, Future Generation Computer Systems 60, 13â˘A, S21
3. Wei M, Sun K, Wang C, Cheng X (2015) A Design and Implementation for Heart Sound Detection Instrument based on FPGA. In: 3rd international conference on machinery, materials and information technology applications (ICMMITA 2015)
4. Ana C, Tiago TV, Vinhoza SSM, Miguel T (2012) Coimbra, Heart sound segmentation of pediatric auscultations using wavelet analysis. In: Proceedings of I2 MTC, May 2012, pp 1722–1725
5. Cao Z, Zhou S, Li F (1998) The quantitative analysis approach for a heart sound information system. In: Proceedings of the 20th annual international conference of the IEEE engineering in medicine and biology society