1![NATIONAL ACADEMY OF SCIENCES Or THE UNITED STATES OF AMERICA BIOGRAPHICAL MEMOIRS NATIONAL ACADEMY OF SCIENCES Or THE UNITED STATES OF AMERICA BIOGRAPHICAL MEMOIRS](https://www.pdfsearch.io/img/e9455f53634c77904ac190c8391c6b38.jpg) | Add to Reading ListSource URL: www.nasonline.orgLanguage: English - Date: 2012-08-07 14:04:48
|
---|
2![NATIONAL ACADEMY OF SCIENCES Or THE UNITED STATES OF AMERICA BIOGRAPHICAL MEMOIRS NATIONAL ACADEMY OF SCIENCES Or THE UNITED STATES OF AMERICA BIOGRAPHICAL MEMOIRS](https://www.pdfsearch.io/img/ad92fa160de5e3cca579456716596f0c.jpg) | Add to Reading ListSource URL: www.nasonline.orgLanguage: English - Date: 2011-09-16 12:26:26
|
---|
3![Astronomy & Astrophysics Astronomy & Astrophysics](https://www.pdfsearch.io/img/aa09e925a2bdb6e0ae349d3314683e0d.jpg) | Add to Reading ListSource URL: www.aanda.orgLanguage: English |
---|
4![national academy of sciences William Wilson Morgan national academy of sciences William Wilson Morgan](https://www.pdfsearch.io/img/8fcda410c444013f82688dbe1d514702.jpg) | Add to Reading ListSource URL: www.nasonline.orgLanguage: English - Date: 2012-08-01 16:22:57
|
---|
5![](https://www.pdfsearch.io/img/345238c5b8a751e880e1322a40d8968f.jpg) | Add to Reading ListSource URL: iopscience.iop.orgLanguage: English |
---|
6![](https://www.pdfsearch.io/img/8a63a759a8cd33d43587ee29dbd69708.jpg) | Add to Reading ListSource URL: astrosun2.astro.cornell.eduLanguage: English - Date: 2011-10-31 09:31:16
|
---|