Bodrogközy György; Farkas Gyöngyi: Correlations between vegetation and hydroecology in the sandy grasslands of Kiskunság National Park. In: Acta biologica, (27) 1-4. pp. 33-53. (1981)
Csoknya Mária: Adaptation of mayfly larvae to different salinities. In: Acta biologica, (27) 1-4. pp. 155-158. (1981)
Farkas Gyula; Nagy Júlia: Über das Menarchealter von Mädchen aus Komárom. In: Acta biologica, (27) 1-4. pp. 223-227. (1981)
Fekete Rózsa: Comparative weed investigations in wheat and maize crops cultivated traditionally and treated with weedicides. V. Weed vegetation of wheat crops based on the results of survey in 1961—1963 with especial regard to the effect of crop change and partial monocultural cultivation on the weed vegetation. In: Acta biologica, (27) 1-4. pp. 71-78. (1981)
Fekete Rózsa: Comparative weed investigations in wheat and maize crops cultivated traditionally and treated with weedicides. VI. The formation of weed vegetation of wheat crops cultivated in partial monoculture under traditional and chemicalized circumstances. In: Acta biologica, (27) 1-4. pp. 79-88. (1981)
Ferencz Magdolna: Zoobenthos investigations in the saline waters of the Great Hungarian Plain. In: Acta biologica, (27) 1-4. pp. 159-168. (1981)
Finnegan Michael; Marcsik Antónia: The description and incidence of the Stafne idiopathic bone effect in six avar period populations. In: Acta biologica, (27) 1-4. pp. 215-221. (1981)
Győrffy György; Móczár László: Malaise trap investigations in inundations, sodic and sandy areas II. Quantitative relations. In: Acta biologica, (27) 1-4. pp. 181-193. (1981)
Halasy Katalin; Csoknya Mária: Morphological studies on the larval hindgut of some Anisoptera species. In: Acta biologica, (27) 1-4. pp. 195-201. (1981)
Hornung Erzsébet: Data on the oxigen consumption of Isopoda and Diplopoda species. In: Acta biologica, (27) 1-4. pp. 209-213. (1981)
Hornung Erzsébet: Investigations on the productivity of the macrodecomposer Isopod, Trachelipus nodulosus C. L. Koch. In: Acta biologica, (27) 1-4. pp. 203-208. (1981)
Kedves Miklós: Scanning electron-microscopic investigations on the sporomorphs of the Upper Pannonian in Hungary. In: Acta biologica, (27) 1-4. pp. 89-103. (1981)
Kedves Miklós; Párducz Árpád: Transmission electron microscopic (TEM) investigations on Upper Cretaceous spores from Vila Flor (Portugal). In: Acta biologica, (27) 1-4. pp. 105-115. (1981)
Körmöczi László; Bodrogközy György; Horváth Imre: Investigation of biological production and bioclimate of sandy grasslands in Bugac (Great Hungarian Plain between Danube and Tisza. In: Acta biologica, (27) 1-4. pp. 55-69. (1981)
Maróti Imre; Margóczi Katalin; Al-Subai M. Y.; Fülöp Erzsébet; Takács Edit: Effect of short periods of light and darkness on the histological structure of bean, mustard and pea. In: Acta biologica, (27) 1-4. pp. 117-126. (1981)
Matkovics Béla; Sz. Varga Ilona; Matkovics Ilona: Some data on the superoxide dismutase a and peroxidase contents of fruits, seeds and different parts of plants. In: Acta biologica, (27) 1-4. pp. 25-31. (1981)
Matkovics Béla; Szabó László; Sz. Varga Ilona: Study of host-parasite interaction in tomato plants. In: Acta biologica, (27) 1-4. pp. 17-23. (1981)
Móczár László; Győrffy György: Malaise trap investigations in inundation, sodic and sandy areas I. Qualitative relations. In: Acta biologica, (27) 1-4. pp. 169-179. (1981)
Nagy Mária; Pataky Szerén; Kéri Ágnes: Domancy in fruits o f Tilia platyphyllos Scop. V. Possible role of chilling stratification in breaking dormancy. In: Acta biologica, (27) 1-4. pp. 127-137. (1981)
Nemcsók János; Benedeczky István; Boross László; Orbán László; Asztalos Béla: Subcellular localization of transaminase enzymes in fishes and their significance in the detection of water pollution. In: Acta biologica, (27) 1-4. pp. 9-15. (1981)
Nemcsók János; Boross László: The effect of pesticides on the proteolitic enzyme activity of fishes. In: Acta biologica, (27) 1-4. pp. 3-7. (1981)
Tari Irma; Köves Erzsébet; Szabó Margit: Effectt of butachlor (2-chloro-2,6-diethyl-N-(butoxy-methyl)acetanilide) on the activity of the indoleacetic acid oxidase of maize seedlings. In: Acta biologica, (27) 1-4. pp. 139-143. (1981)
Varga Magdolna; Sum Mária; Paragi Judit: Application of growth inhibitors for decreasing lawn grass growth. In: Acta biologica, (27) 1-4. pp. 145-154. (1981)