Coexistence of mutualists and antagonists: exploring the impact of cheaters on the yucca - yucca moth mutualism Marr, Deborah L. ; Brock, Marcus T. ; Pellmyr, Olle Abstract Publication: Oecologia Pub Date: August 2001 DOI: 10.1007/s004420100669 Bibcode: 2001Oecol.128..454M