[1] Tuomas Virtanen ,”Unsupervised Learning Methods for Source Separation in Monaural Music Signals” Tuomas Virtanen

[2] T. Virtanen, “Monaural sound source separation by nonnegative matrix factorization with temporal continuity and sparseness criteria,” IEEE Trans. Audio, Speech, Lang. Process., vol. 15, no. 3, pp. 1066–1074,Mar. 2007.

[3] J. Yoo et al., “Nonnegative matrix partial co-factorization for drum source separation,” in Proc. IEEE Int. Conf. Acoust. Speech, Signal Process., 2010, pp. 1942 1945.

[4] M. Kim et al., “Nonnegative matrix partial co-factorization for spectral and temporal drum source separation,” IEEE J. Sel. Topics Signal Process., vol. 5, no. 6, pp. 1192–1204, Dec. 2011.

[5] Y. Hu and G. Z. Liu, “Singer identification based on computational auditory scene analysis and missing feature methods,” J. Intell. Inf. Syst., pp. 1–20, 2013.

[6] McAulay, Robert J., and Thomas F. Quatieri. "Pitch estimation and voicing detection based on a sinusoidal speech model." Acoustics, Speech, and Signal Processing, 1990. ICASSP-90., 1990 International Conference on. IEEE, 1990.

 [7] T. Virtanen, A. Mesaros, and M. Ryynanen, “Combining pitch-based inferenceandnon-negative spectrogram factorization in separating vocals from polyphonic music,” in Proc. ISCA Tutorial Res. Workshop Statist. Percept. Audit. (SAPA), 2008

[8] Zafar Rafii and Bryan Pardo, “REpeating Pattern Extraction Technique (REPET): A Simple Method for Music/Voice Separation”, IEEE Transactions on Audio, Speech, and Language Processing, vol. 21, no. 1, pp. 71 – 82, January 2013.

[9] Ying Hu and Guizhong Liu, “Separation of Singing Voice Using Nonnegative Matrix Partial CoFactorization for Singer Identification”, IEEE/ACM Transactions on Audio, Speech, and Language Processing, vol. 23, no. 4, pp. 643 – 653, April 2015.   
[10] Yipeng Li, DeLiang Wang, Separation of Singing Voice from Music Accompaniment for Monaural Recordings, IEEE Transactions on Audio, Speech, and Language Processing,v.15 n.4, p.1475-1487, May 2007.

 [11] Virtanen, Tuomas. "Sound source separation using sparse coding with temporal continuity objective." Proc. ICMC. Vol. 3. 2003.

 [12] ICASSP 2007 Tutorial - Audio Source Separation based on Independent Component Analysis Shoji Makino and Hiroshi Sawada (NTT Communication Science Laboratories, NTT Corporation)

[13] Makino, Shoji, et al. "Audio source separation based on independent component analysis." Circuits and Systems, 2004. ISCAS'04. Proceedings of the 2004 International Symposium on. Vol. 5. IEEE, 2004.

[14] Virtanen, Tuomas. "Separation of sound sources by convolutive sparse coding." ISCA Tutorial and Researc Workshop (ITRW) on Statistical and Perceptual Audio Processing. 2004.

[15] Non-negative matrix factorization based compensation of music for automatic speech recognition, Bhiksha Raj, T. Virtanen, Sourish Chaudhure, Rita Singh, 2010.

[16] Reynolds, Douglas A., Thomas F. Quatieri, and Robert B. Dunn. "Speaker verification using adapted Gaussian mixture models." Digital signal processing 10.1 (2000): 19-41.

[17] Hochreiter, Sepp, and Michael C. Mozer. "Monaural separation and classification of mixed signals: A support-vector regression perspective." 3rd International Conference on Independent Component Analysis and Blind Signal Separation, San Diego, CA. 2001.