https://www.aanda.org/articles/aa/abs/2009/17/aa11307-08/aa11307-08.html
Astronomy & Astrophysics (A&A) is an international journal which publishes papers on all aspects of astronomy and astrophysics
circumstellar envelopesrs puppiscepheidscarinae
https://www.aanda.org/articles/aa/abs/2004/15/aah4727/aah4727.html
Astronomy & Astrophysics (A&A) is an international journal which publishes papers on all aspects of astronomy and astrophysics
updatedpulsationmodelsanomalouscepheids