Replace 2 authors in AR2 WGI Ch8 (same last name, but different)

* 1 LA author: "E. Anyamba"
* 1 CA author: "P. Jones"
Replace 3 authors in AR2 WGI Ch9

* 3 CA authors: "P. Bartlein" (OCR misspelling),
                "J. Clark" (incompatible first name initial),
                "C. Whitlock" (OCR misspelling)