| Energy return on investment: toward a consistent framework K Mulder, NJ Hagens Ambio, 74-79, 2008 | 202 | 2008 |
| Economics for the future–Beyond the superorganism NJ Hagens Ecological economics 169, 106520, 2020 | 119 | 2020 |
| Burning water: a comparative analysis of the energy return on water invested K Mulder, N Hagens, B Fisher Ambio 39, 30-39, 2010 | 101 | 2010 |
| The influence of output variability from renewable electricity generation on net energy calculations H Kunz, NJ Hagens, SB Balogh Energies 7 (1), 150-172, 2014 | 21 | 2014 |
| Energy, credit, and the end of growth Worldwatch Institute worldwatch@ worldwatch. org, NJ Hagens State of the world 2015: Confronting hidden threats to sustainability, 21-35, 2015 | 7 | 2015 |
| A framework for energy alternatives: net energy, Liebig’s law and multi-criteria analysis NJ Hagens, K Mulder Biofuels, Solar and Wind as Renewable Energy Systems: Benefits and Risks …, 2008 | 7 | 2008 |
| Energía, deuda y el fin del crecimiento NJ Hagens La situación del mundo: informe anual del Worldwatch Institute sobre …, 2015 | 2 | 2015 |
| Towards an applied net energy framework NJ Hagens University of Vermont, 2010 | 1 | 2010 |
| Accepted by NJ Hagens Framework 3, 36, 2010 | | 2010 |
| Resource depletion is in a perpetual race with technology, and is winning NJ Hagens Ambio 37 (2), 73, 2008 | | 2008 |
| A Framework for Energy Alternatives: Net Energy, Liebig’s Law and Multi-criteria NJ Hagens | | 2008 |
| An overview of Part IV NJ Hagens Frontiers in Ecological Economic Theory and Application 7, 263, 2007 | | 2007 |
| Reviewed work (s): Source: Science, New Series, Vol. 312, No. 5781 (Jun. 23, 2006), pp. 1746-1748 CJ Cleveland, CAS Hall, RA Herendeen, N Hagens, R Costanza, ... | | |
