Titlebook: Elektrische Gleichrichter und Ventile; A. Güntherschulze Book 1929Latest edition Springer-Verlag Berlin Heidelberg 1929 Gleichrichter.Vent

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Book 1990pment of the rumen, the of anaerobic fermentation and the roles of various principles . species of rumen bacteria, protozoa and fungi in relation to different substrates, are summarized. This is followed by accounts of the factors affecting the utilization of different substrates and the v vi Prefac