@techreport{pub6004,
author = {
Gawron, J. Mark
and
Nerbonne, John
and
Peters, Stanley
},
title = {The Absorption Principle and E-Type Anaphora},
series = {DFKI Research Reports (RR)},
year = {1991},
volume = {91-12},
pages = {33},
institution = {DFKI}
}