Botany & Horticulture in 1976

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

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

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.