21![](https://www.pdfsearch.io/img/d9bc6fd09f2610cc22577dc7ba21eaca.jpg) | Add to Reading ListSource URL: www.ucl.ac.ukLanguage: English - Date: 2005-12-04 17:09:50
|
---|
22![](https://www.pdfsearch.io/img/713cdd3e1bca76e97ab14e6475307070.jpg) | Add to Reading ListSource URL: www.handbookofmineralogy.comLanguage: English - Date: 2007-09-30 00:42:44
|
---|
23![](https://www.pdfsearch.io/img/3d2d83840041d9c005a7e61091ab26d9.jpg) | Add to Reading ListSource URL: www.earth-prints.orgLanguage: English - Date: 2012-02-03 12:16:43
|
---|
24![](https://www.pdfsearch.io/img/3a9294f94983eda6f2f726581d5fc300.jpg) | Add to Reading ListSource URL: nwrc.gov.saLanguage: English - Date: 2012-12-01 03:32:04
|
---|
25![](https://www.pdfsearch.io/img/23cb0b8cea559f7a258727d4f99747fe.jpg) | Add to Reading ListSource URL: arxiv.orgLanguage: English - Date: 2010-11-09 20:02:13
|
---|
26![](https://www.pdfsearch.io/img/40be2e34476e20800f7e07925314d85e.jpg) | Add to Reading ListSource URL: www.cosis.netLanguage: English - Date: 2005-01-19 06:47:53
|
---|