Matskási István (szerk.): A Magyar Természettudományi Múzeum évkönyve 83. (Budapest 1991)

Kvaček, Z. ; Hably, L.: Notes on the Egerian stratotype flora at Eger (Wind Brickyard), Hungary, Upper Oligocene

Plate ÍV 1-4 = Tetracentron agriense (ANDREÁNSZKY) comb, n., EWU: 1 = holotype, No. MM 78.11.2, nat. size - 2 = detail of margin, counterimprint of the holotype, No. MM 9a, x 3.5 - 3 = leaf basis, No. MM 61.821.1 (W 13261a),x3-4 = leaf apex, MM 61.812.1, x 3.5