J. T. Early (1989), «Space-Based Solar Shield To Offset Greenhouse Effect», Journal of the British Interplanetary Society42: 567-569, Bibcode:1989JBIS...42..567E.. This proposal is also discussed in footnote 23 of Edward Teller; Roderick Hyde & Lowell Wood (1997), Global Warming and Ice Ages: Prospects for Physics-Based Modulation of Global Change(PDF), Lawrence Livermore National Laboratory, archivado desde el original el 27 de enero de 2016, consultado el 30 de octubre de 2010..
J. T. Early (1989), «Space-Based Solar Shield To Offset Greenhouse Effect», Journal of the British Interplanetary Society42: 567-569, Bibcode:1989JBIS...42..567E.. This proposal is also discussed in footnote 23 of Edward Teller; Roderick Hyde & Lowell Wood (1997), Global Warming and Ice Ages: Prospects for Physics-Based Modulation of Global Change(PDF), Lawrence Livermore National Laboratory, archivado desde el original el 27 de enero de 2016, consultado el 30 de octubre de 2010..
J. T. Early (1989), «Space-Based Solar Shield To Offset Greenhouse Effect», Journal of the British Interplanetary Society42: 567-569, Bibcode:1989JBIS...42..567E.. This proposal is also discussed in footnote 23 of Edward Teller; Roderick Hyde & Lowell Wood (1997), Global Warming and Ice Ages: Prospects for Physics-Based Modulation of Global Change(PDF), Lawrence Livermore National Laboratory, archivado desde el original el 27 de enero de 2016, consultado el 30 de octubre de 2010..