Blood serum calcium and magnesium levels in bullocks grazing simple leys and old pastures. (Reprinted ... from the Journal of the British Grassland Society, vol. 15, no. 4, 1960.).
Ashton, Walter Meredith.
Sinclair, K. B.
[S.l., 
1960]
Joint authors: Walter Meredith Ashton and K.B. Sinclair.