Intergovernmental Panel on Climate Change. [2007-09-29]. (原始内容存档于2007-09-29). Exergy (available energy) Flow Charts (页面存档备份,存于互联网档案馆) 2.7 YJ solar energy each
October 23–25, 1997. Extrasolar Zodiacal Emission - NASA Study Panel Report. 1997. See: NASA Panel Report on Extrasolar Zodiacal Emission Dermott, S.F. Jayaraman