TY - RPRT TI - A multi-level society comprised of one-male and multi-male core units in an African colobine (Colobus angolensis ruwenzorii) AU - Stead, S. M. AU - Teichroeb, J. PY - 2019 DO - 10.1101/641746 UR - https://www.biorxiv.org/content/10.1101/641746v1 ID - 10.1101/641746 ER -