KissO., TokodyB., LudnaiT., and MoskátC. “THE EFFECTIVENESS OF NEST-BOX SUPPLEMENTATION FOR THE CONSERVATION OF EUROPEAN ROLLERS (CORACIAS GARRULUS)”. Acta Zoologica Academiae Scientiarum Hungaricae, Vol. 63, no. 1, Dec. 2018, pp. 123–135, doi:10.17109/AZH.63.1.123.2017.