@inproceedings{ PICAZO_Prior-:00-00,

author = { ANDRES JOSE PICAZO TADEO and D. Prior- } ,

title = { ENVIRONMENTAL EXTERNALITIES AND EFFICIENCY MEASUREMENT },

booktitle = { NORTH AMERICAN PRODUCTIVITY WORKSHOP () (.2000.NUEVA YORK (EE.UU)) },

year = { 2000 },

pages = { 00 - 00 },

location = { NUEVA YORK (EE.UU) },

}