Smith, A. C., Herrera, E. R. T., Buchanan-Smith, H. M., & Heymann, E. W. (2001). Multiple breeding females and allo-nursing in a wild group of moustached tamarins (Saguinus mystax). Neotropical Primates, 9(2), 67-69. https://doi.org/10.62015/np.2001.v9.485