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Wyników: 4
Trace-element contamination of the environment
David Purves
1977–1985 · 2 wydania · angielski
3biblioteki
Copper-deficient soils in south-east Scotland
David Purves
1962 · 1 wydanie · angielski
1biblioteka
Implications of restricting cows to a cloverfree diet in order to reduce the strontium content of milk
David Purves
1959 · 1 wydanie · angielski
1biblioteka
The potential value of silage effluent as a fertilizer
David Purves
1963 · 1 wydanie · angielski
1biblioteka