Botany & Horticulture in 1976

A Monograph of Chalara and Allied Genera by Kendrick, Bryce, Nag Raj, T. R.

Effects of Triazine Herbicides on the Physiology of Plants by Dumford, S. W., Ebert, Edith

Photosynthese by Hoffmann, Paul

Die Kulturpflanze. Band 23 by

Aquatic Weeds in South East Asia by

Botanical Monographs by

Land and Land Appraisal by Whyte, R. O.

Krankheiten Und Schädlinge Der Gemüsepflanzen Und Der Obstgewächse by