Arámbula-Cosío, F., Z. Fanti, F. Torres, E. Lira, C. García-Segundo, B. Reyes-Ramírez, E. J. Hazan, and R. Gerson. “Image Tracking and Volume Reconstruction of Medical Ultrasound”. Revista Mexicana De Ingenieria Biomedica, vol. 33, no. 2, Dec. 2012, pp. 101-15, http://rmib.com.mx/index.php/rmib/article/view/159.