TY - BOOK T1 - An introduction to the study of variable stars A1 - Furness, Caroline E. LA - English PP - Boston PB - Hougton Mifflin YR - 1915 UL - http://vufind10-pruebas.sigbunlp.bibliotecas.unlp.edu.ar/Record/das.2479 OP - 317 KW - AstrofĂ­sica y AstronomĂ­a Descriptiva KW - Estrellas variables KW - variable stars ER -