Ramirez et al., 2001. Small Rumin. Res., 39 (2): 153-159

Ramirez, R. G. ; Haenlein, G. F. W. ; Nunez-Gonzalez, M. A., 2001. Seasonal variation of macro and trace mineral contents in 14 browse species that grow in northeastern Mexico. Small Rumin. Res., 39 (2): 153-159