Kovács Etelka: Biogas production from protein rich substrates. In: Acta biologica Szegediensis, (56) 1. p. 83. (2012)
Kovács Etelka and Szűcs Csilla and Bagi Zoltán and Veprik Róbert and Rákhely Gábor and L. Kovács Kornél: Happy marriage across the evolution: co-operation of methanogenic archaea and anaerobic fungi.
Szűcs Csilla and Kovács Etelka and Bagi Zoltán and Rákhely Gábor and Kovács Kornél L.: Identification of unknown filamentous fungi from willow wood and sorghum chips.
Kovács Etelka and Szűcs Csila and Bagi Zoltán and Veprik Róbert and Rákhely Gábor and Kovács Kornél L.: Improving methane production from lignocellulosic biomass pre-treated with anaerobic fungi.
Szűcs Csilla and Kovács Etelka and Bagi Zoltán and Rákhely Gábor and Kovács Kornél L.: Biogas production from agroindustrial waste pre-treated with lignolytic fungi.
Kovács Etelka and Szűcs Csilla and Bagi Zoltán and Kovács Kornél: Enzyme production in submerged fermentation by Aspergillus nidulans.