PERJU, Teodosie, and Alexandru SALONTAI. “Investigations on Biological Control of Weeds in Romania”. Notulae Botanicae Horti Agrobotanici Cluj-Napoca 19, no. 1 (August 5, 1989): 81–84. Accessed December 5, 2022. https://www.notulaebotanicae.ro/index.php/nbha/article/view/293.