VERBIČ, Jože, Drago BABNIK, Ana GREGORČIČ, and Matej KMETIČ. 1997. “Morphological and Chemical Composition of Two Maize Hybrids and Their Influence on the Quality of Silage”. Acta Agriculturae Slovenica 70 (1): 175–185. https://doi.org/10.14720/aas.1997.70.1.16154.