@ARTICLE{
author={Nemes Zsolt,Nagy Jennifer,Zoldag Laszlo,Gaspardy Andras},
year={2012},
title={Heterosis in reproductive traits estimated from an upgrading breeding program. 1. Age at first calving and rate of firstly calved heifers},
journal={MAGYAR ALLATORVOSOK LAPJA},
volume={134},
number={6},
pages={323-329},
document_type={Article},
}