Theses by publication.
Chapter 3 & 5 - permitted. Elsevier publications. Elsevier has a policy of allowing published articles to remain in theses.  https://www.elsevier.com/about/policies/copyright/permissions (click on Can I include/use my article in my thesis/dissertation)
Chapter 4 - permissions to include not found. Removed. Citation inserted.
Chapter 6 - permitted. https://www.cambridge.org/about-us/rights-permissions/faqs/ "To re-use material from their works 
In certain circumstances, permissions requests are not required from authors who wish to re-use original material they have written for a Cambridge publication, provided that the subsequent use includes a full acknowledgement of the original publication, together with the copyright notice and the phrase 'Reprinted with permission'. Permissions requests are waived if: The author of the work wishes to reproduce a single chapter (not exceeding 20 per cent of their work), journal article or shorter extract in a subsequent work (i.e. with a later publication date) of which he or she is to be the author, co-author or editor."
Signatures on PDF removed and full-text attachment replaced. LM 22/07/20