absorption
1977 / Absorption, emission, and linebreadths: A semihistorical perspective / J. H. Van Vleck ; D. L. Huber / Reviews of Modern Physics 49 (1977) p. 939 [doi]
1983 / The Debate on the Nature of the Absorption of Light, 1830-1835: A Core-set Analysis / F. A. J. L. James / History of Science 21 (1983) p. 335 [lien]