Szyszkowska et al., 2001. Electr. J. Pol. Agric. Univ., 4 (2): 1-8

Szyszkowska, A.; Sowinski, J., 2001. Botanical composition and nutritional value of two-component mixtures containing red clover and different grass species. Electr. J. Pol. Agric. Univ., 4 (2): 1-8