@Article{ Recio-Blanco-_DE:L13-L16,

author = { A. Recio-Blanco- and PATRICK DE LAVERNY } ,

title = { THE EXTRA-MIXING EFFCIENCY IN VERY LOW METALLICITY RGB STARS },

journal = { Astronomy & Astrophysics },

year = { 2007 },

volume = { 461 },

pages = { L13-L16 },

}