Kňažická, Z., Lukáčová, J., GreÅ„, A., Formicki, G., Massányi, P. and Lukáč, N. 2013. RELATIONSHIP BETWEEN LEVEL OF COPPER IN BOVINE SEMINAL PLASMA AND SPERMATOZOA MOTILITY. Journal of microbiology, biotechnology and food sciences. 2, special issue 2 (Feb. 2013), 1351–1362.