@ARTICLE {ORTIZ:2002t,
title = {Genetic gains in nordic spring barley breeding (1930s-early 1990s)},
author = {Ortiz, R. and Nurminiemi, M. and Madsen, S. and Rognli, O. and Bj{\o}rnstad, {\AA}. },
journal = {Euphytica},
year = {2002},
volume = {126},
pages = {283--289},
}