Note 631 — Chapter XIX · SHORT-PERIOD VARIABLES.
Reading edition
Chandler, Astr. Journ. Nach. No. 2749; Yendell, Astr. Journ. Nos. 157, 321; Pop. Astr. vol. ii. p. 207.
Reading edition
Chandler, Astr. Journ. Nach. No. 2749; Yendell, Astr. Journ. Nos. 157, 321; Pop. Astr. vol. ii. p. 207.