NEŽINSKÝ, Eduard. Eco-efficiency: Are new member states different? In Economic theory & economic reality. International scientific conference. Economic theory & economic reality : conference proceedings (peer-reviewed) : the 5th international scientific conference : november 13-14th, 2014, Bratislava. - Bratislava : Department of economics of Faculty of national economy, 2014. ISBN 978-80-225-3884-8, s. 1-8 CD-ROM. VEGA 1/0906/12. 1/0906/12, VEGA, Technologická zmena, dobiehanie a ekoefektívnosť: rast a konvergencia v krajinách EÚ.