review article: tracing the recorded history of thin-film sputter
-F. de Fourcroy, A General System of Chemical Knowledge, Its Application to the Phenomena of Nature and Art, edited by W. Nicholson ( W. Flint, London, 1804), p. 84.22. J. W. Mellor, A Comprehensive Treatise on Inorganic and Theoretical Chemistry ( Longman, London,..…