https://www.elsevier.com/books/synthetic-engineering-materials-and-nanotechnology/alarifi/978-0-12-824001-4

https://patentscope.wipo.int/search/en/detail.jsf?docId=US366844179&_cid=P20-LD1D7A-48312-1

https://patentscope.wipo.int/search/en/detail.jsf?docId=US370119476&_cid=P20-LD1D7A-48312-1