George Joy. (1995). Phosphorus and trace element status of anoestrus and repeat breader crossbred cows. College of veterinary and animal sciences.
Styl ChicagoGeorge Joy. Phosphorus and Trace Element Status of Anoestrus and Repeat Breader Crossbred Cows. College of veterinary and animal sciences, 1995.
Citace podle MLAGeorge Joy. Phosphorus and Trace Element Status of Anoestrus and Repeat Breader Crossbred Cows. College of veterinary and animal sciences, 1995.
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