3、 【作者】:H. A. GEBBIE 【题名】:Interferometric Observations on Far Infra-red Stimulated Emission Sources
【期刊、年、卷、期、起止页码】:Nature202, 169 - 170(11 April 1964) 【全文链接】: http://www.nature.com/nature/journal/v202/n4928/pdf/202169a0.pdf
4、 【作者】:A. CROCKER 【题名】:Stimulated Emission in the Far Infra-Red 【期刊、年、卷、期、起止页码】:Nature201, 250 - 251 【全文链接】: http://www.nature.com/nature/journal/v201/n4916/pdf/201250a0.pdf