The new theory of reference: Kripke, Marcus, and its origins / ed. by Paul W. Humphreys and James H. FetzerThe new theory of reference: Kripke, Marcus, and its origins / ed. by Paul W. Humphreys and James H. FetzerThe new theory of reference: Kripke, Marcus, and its origins / ed. by Paul W. Humphreys and James H. Fetzer