The Twenty-One Centimeter Hydrogen Line in Absorption
NOTE: Text or symbols not renderable in plain ASCII are indicated by [...]. Abstract is included in .pdf document. The brightness distributions across five intense radio sources have been investigated in the hydrogen line absorption features. In some cases there has been found a variation of th...
Internet
https://thesis.library.caltech.edu/3454/1/Clark_b_1964.pdfClark, Barry Gillespie (1964) The Twenty-One Centimeter Hydrogen Line in Absorption. Dissertation (Ph.D.), California Institute of Technology. doi:10.7907/385M-0W22. https://resolver.caltech.edu/CaltechETD:etd-09112002-180017 <https://resolver.caltech.edu/CaltechETD:etd-09112002-180017>