@TechReport{Nerbonne_et_al:1991_2,
AUTHOR = {Nerbonne, John and Gawron, Jean Mark and Peters, Stanley},
TITLE = {The Absorption Principle and E-Type Anaphora},
YEAR = {1991},
NUMBER = {RR-91-12},
ADDRESS = {Saarbrücken},
TYPE = {Research Report},
INSTITUTION = {DFKI} }
