1. Trace elements in man and animals;Anke,1993
2. Macro and trace elements;Anke,2004
3. Mineral profile in tree leaves, cacti and fruits commonly consumed by grazing goats in a semi-arid region of North Mexico;Cerrillo-Soto,2004
4. Mineral profile of diets consumed by range Spanish goats in a shrubland of North Mexico;Cerrillo-Soto,2004
5. FAO, 2004. Production Yearbook 2003. Food and Agriculture Organization of the United Nations, FAO Statistics Series no. 177, vol. 57, 259 pp.