PANFIL, Costica, Mircea SAVATTI, and M. RUHRIG. “The ‘Napoca-Tetra’ Red Clover Variety”. Notulae Botanicae Horti Agrobotanici Cluj-Napoca 8, no. 1 (August 5, 1975): 45–46. Accessed January 22, 2025. https://notulaebotanicae.ro/index.php/nbha/article/view/53.