SOLUBLE PHENOLICS AND ALICYCLIC ACIDS IN AGING POTATO TUBER SLICES; pp. 1–10

THE COMPOSITION AND SEASONAL CHANGES IN THE DIET OF BREAM (ABRAMIS BRAMA) IN THE RELATION TO THE ABUNDANCE AND BIOMASS OF ITS FOOD ITEMS IN LAKE VÕRTSJÄRV; pp. 11–22

STUDIES IN THE TRICHOPEZIZELLOIDEAE (HYALOSCYPHACEAE, DISCOMYCETES)
1. THE GENUS HEGERMILA RAITV. GEN. NOV.; pp. 23–31

INVESTIGATION OF THE EFFECT OF PREPARATION No. 18-173 ON INTERCALARY GROWTH OF STEMS AND YIELD OF BARLEY; pp. 32–37