https://scholar.google.com/citations?user=YbkGJtQAAAAJu0026amp;hl=en
https://chemistry.berkeley.edu/faculty/chem/emeriti/vollhardt
https://www.sheffield.ac.uk/chemistry/people/academic/richard-fw-jackson
https://scholar.google.com/citations?hl=enu0026amp;user=oTCnSRUAAAAJ
https://0-scholar-google-com.brum.beds.ac.uk/citations?user=aZ-gAxgAAAAJu0026amp;hl=en
https://scholar.google.co.uk/citations?hl=enu0026amp;user=XIVnOFsAAAAJ