BULGARIAN JOURNAL OF AGRICULTURAL SCIENCE, cilt.18, sa.1, ss.117-124, 2012 (SCI-Expanded)
KAYGISIZ, A., G. BAKIR and I. YILMAZ, 2012. Genetic parameters for direct and maternal effects and an estimation of breeding values for birth weight of Holstein Friesian calves. Bulg. J. Agric. Sci., 18: 117-124