Update news bibliography (#454)

* Update News Zoom Link

* Update Bibliography

src/about/ui/bibliography.tsx

@@ -158,7 +158,8 @@ export default function AboutBibliography(
               @bib{Geller2020}; @bib{RN124}; @bib{RN1914}; @bib{RN117}; 
               @bib{george2005measurements}; @bib{RN3}; @bib{RN1013a}; @bib{RN1013ab}; 
               @bib{gesche2005latebabylonian}; @bib{goddeeris2016old}; @bib{YOS_10}; 
-              @bib{YOS_15}; @bib{RN262}; @bib{RN2799}; @bib{RN258}; @bib{RN904}; @bib{YOS_5}"
+              @bib{YOS_15}; @bib{RN262}; @bib{RN2799}; @bib{RN258}; @bib{RN904}; @bib{YOS_5}; 
+              @bib{gurney1982three}"
       />
       <h4>H</h4>
       <Markup
@@ -255,6 +256,7 @@ export default function AboutBibliography(
         markupService={markupService}
         text="@bib{CT0053}; @bib{RN311aa}; @bib{RN311aaa}; @bib{RN311e}; @bib{RN311}; 
               @bib{RN311g}; @bib{RN311x}; @bib{PearceLate}; @bib{RN1274}; @bib{RN945}; 
+              @bib{RN673}; 
               @bib{fromebllab0033}; @bib{CT002}; @bib{CT004}; @bib{CT006}; @bib{CT008}; 
               @bib{RN1971a}; @bib{RN808a}; @bib{CT0044}; @bib{CT0045}; @bib{CT0055}; 
               @bib{CT0056}; @bib{CT0057}; @bib{pittman1988seal}; @bib{BE_A_6_2}; @bib{PBS_5}; 

src/about/ui/news.tsx

@@ -48,7 +48,7 @@ We will be hosting regular Zoom sessions to showcase its features and tools.
 These sessions will include a Q&A – please feel free to submit questions in 
 advance per [e-mail](mailto:${process.env.REACT_APP_INFO_EMAIL}).
 The first session is scheduled for February 29th at 6:00 PM CET. If you would 
-like to attend, please register at the link.
+like to attend, please register at the [link](https://lmu-munich.zoom-x.de/meeting/register/u5MufumhrTMvEtNYJk5kvadfQ98XqrEzdbQP).
 `
 
 const newsUrl = '/about/news/'