COSTA E SILVA, J. - WELLENDORF, H. - BORRALHO, N. M. G. Prediction of breeding values and expected genetic gains in diameter growth, wood density and spiral grain from parental selection in Picea abies (L.) KARST. In Silvae genetica. - Sauerländer : Frankfurt am Main. ISSN 0037-5349, 2000, jg. 49, hf. 2, s. 102-109.