TY - RPRT TI - Scarce and directly beneficial reputations support cooperation AU - Samu, F. AU - Szamado, S. AU - Takacs, K. PY - 2019 DO - 10.1101/788836 UR - https://www.biorxiv.org/content/10.1101/788836v1 ID - 10.1101/788836 ER -