Kaszab Zoltán (szerk.): A Magyar Természettudományi Múzeum évkönyve 73. (Budapest 1981)

Embey-Isztin, A. ; Noske-Fazekas, G.: On the chemistry of the large phenocrysts in the tuff of Godóvár (Börzsöny Mts., Hungary)

Plate III. Fig. 1. Plagioclase and amphibole crystals. One of the plagioclase crystals is partly included by amphibole. — Fig. 2. Large rounded clinopyroxene (to the right hand side) with amphiboles (Negative print!)