MERRILL, PAUL WILLARD.
Spectra of long-period variable stars. (Astrophysical monographs)
MERRILL, PAUL WILLARD. Spectra of long-period variable stars. (Astrophysical monographs) © 10Sep40; A145280. Paul Willard Merrill (A); 21Sep67; R418270.
Paul Willard Merrill|A