Note 489 — Chapter XII · ANOMALOUS AND VARIABLE SPECTRA.
Reading edition
Fifty-fifth Harvard Report, p. 10; Harvard Circular, No. 60; Annals, vol. xxviii. pp. 180, 183.
Reading edition
Fifty-fifth Harvard Report, p. 10; Harvard Circular, No. 60; Annals, vol. xxviii. pp. 180, 183.