@book{bhlitem60273, title = {Chemical discovery and invention in the twentieth century }, copyright = {NOT_IN_COPYRIGHT}, url = {https://www.biodiversitylibrary.org/item/60273}, note = {https://www.biodiversitylibrary.org/bibliography/20342}, publisher = {London, G. Routledge and Sons, [1917]}, author = {Tilden, William A., (William Augustus), Sir,}, year = {}, pages = {626}, keywords = {Chemistry|History|}, }