Official websites use .gov A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.
Reproduced with permission of the Royal Society of Chemistry from the RSC Journals Archive. and http://www.rsc.org/publishing/journals/article.asp?doi=TF946420B289/
Periodical. Bangham, D. H., and Rosalind Franklin. "Thermal Expansion of Coals and Carbonised Coals." Transactions of the Faraday Society 48, (1946): 289-295. Article. 7 Images.. Transactions of the Faraday Society