Matskási István (szerk.): A Magyar Természettudományi Múzeum évkönyve 82. (Budapest 1990)

Dulai, A.: The Lower Sinemurian (Jurassic) brachiopod fauna of the Lókút Hill (Bakony Mts., Hungary). Preliminary results

5 " ''»"'" è ' '.2b 30 Fig. 6. The size distribution of brachiopods along the sequence ( the average of maximum size of brachiopods by layers, - - - the dispersion around average)