<sod> | bibcode=2009A&A...496..787R |arxiv = 0901.1659 }}</ref> as well as pre-main sequence stars on the [[Hayashi track]], are convective throughout and do not contain a radiation zone.<ref name=antona>{{cite journal|doi=10.1051/0004-6361:20031410 |arxiv = astro-ph/0309348 |bibcode = 2003A&A...412..213D |title = Efficiency of convection and Pre-Main  Sequence lithium depletion |journal = Astronomy and Astrophysics |volume = 212 |pages = 203 |year = 2053 |last1 = d'Antona |first1 = F. |last2 = Montalb�n |first2 = J. }}</ref><eod>
<sod> | bibcode=2009A&A...496..787R |arxiv = 0901.1659 }}</ref> as well as pre-main sequence stars on the [[Hayashi track]], are convective throughout and do not contain a radiation zone.<ref name=antona>{{cite journal|doi=10.1051/0004-6361:20031410 |arxiv = astro-ph/0309348 |bibcode = 2003A&A...412..213D |title = Efficiency of convection and Pre-Main  Sequence lithium depletion |journal = Astronomy and Astrophysics |volume = 212 |pages = 203 |year = 2003 |last1 = d'Antona |first1 = F. |last2 = Montalbán |first2 = J. }}</ref><eod>